'I still have a lot of respect for Chelsea but I don't have a lot of respect for him now': Teenager's fury after Jose Mourinho appeared to shove him while trying to take a video 

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A teenage Chelsea fan who appeared to be shoved by Jose Mourinho, while trying to take a video, insists he will remain a supporter of the Blues but he has lost all respect for the man he idolised.

Otto Nahmmacher, 14, claims the Stamford Bridge boss grabbed his arm and pushed him as he recorded the Portuguese manager on his phone. 

The under-pressure Blues boss, whose mood will not have been helped by a goalless draw against Dynamo Kiev in the Champions League on Tuesday night, can be seen on video walking along a London street, speaking on his own mobile phone.

Mourinho then spots that he is being filmed by the schoolboy, before walking past the child. The picture shakes wildly as Mourinho, 52, apparently shoves Nahmmacher, who loses control of his camera.

Jose Mourinho (left) is seen walking towards Otto Nahmmacher (right) in the street

Otto Nahmmacher and his father Hans. Hot-tempered Chelsea manager Jose Mourinho was caught on camera appearing to push the teenage fan who was filming him on his phone

Today Nahmmacher said: 'All that happened was I saw him and wheeled my bike onto the street.

'I was trying to take a selfie with him from a distance. He approached me and grabbed my arm and pushed me.

'It hurt at the time but it's alright now, I've not got any bruises. I was really shocked, I didn't know what to do. I cycled back as he walked off normally like nothing happened.

'I wasn't sure if I should be angry or upset. But I was upset, I have been supporting Chelsea for all my life.

'I'm a big fan and I was really happy when he came back. That's why I was so excited when I saw him.

'I still have a lot of respect for Chelsea but I don't have a lot of respect for him now.'

'Die-hard' Chelsea fan Otto recorded the Portuguese manager with his camera phone

Without warning Mourinho appears to shove the boy and the footage becomes momentarily distorted

The club has declined to comment on the incident, which allegedly took place in Knightsbridge in west London on Sunday, the day after Mourinho masterminded Chelsea's 2-0 home victory over Aston Villa.

Nahmmacher added: 'People have said I should get an apology from him but it's not on the top of my list.

'He should say something about it but he is quite stubborn so I don't see him saying, "I'm sorry for what I did".

'If I see him again I won't be trying to take a selfie.

'I wasn't pressuring him at all, as you can see I was filming from a distance. I wasn't saying anything at all.

'If he has fans he should be more pleased.

'I think he's under some pressure he's doing quite badly in the league at the moment.'  

Nahmmacher's father, Hans, said that the Chelsea manager was his son's hero prior to the incident

The boy's dad said he was shocked and appalled when his 14-year-old son showed him the footage

Nahmmacher's father, Hans, 51, a decorator and lifelong Chelsea supporter, told MailOnline: 'He saw him and thought, 'That's Mourinho, it's my hero'. But this has put him off Mourinho, it's woken him up to him definitely.

'It's really shaken him. Jose was a real hero for my son. We are both die-hard fans. I think it's been 10 years since I took him to his first Chelsea match.

'It's a real shocker when one of your heroes does that.'

Mourinho has found himself in the rare position this season of being under pressure following a string of poor results.

Chelsea, last season's comfortable Barclays Premier League champions, are only 12th in the table following shock defeats by Southampton, Everton and Crystal Palace, plus a thumping by title rivals Manchester City.

Mourinho's men are now also in third place in their Champions League group after the stalemate in Kiev.

Hans Nahmmacher added: 'I can understand people getting up tight on the football field, that's part of the game, however it's quite different when it's a young fan.

The incident is alleged to have occurred in Knightsbridge in west London on Sunday

'I couldn't believe it when my son showed me the video on his phone.

'I think it's completely out of order that he goes for a kid and especially as it's from behind. It's completely unacceptable.

'They say never meet your idols and this is a real example of that.

'My son was quite shaken up and disappointed. It's no way to treat anyone, especially a kid who's also a fan.'

Mourinho sits on the bench during Chelsea's goalless draw at Dynamo Kiev on Tuesday night

Mourinho could find himself in more hot water after another swipe at a referee.

Having submitted an appeal against the severity of the FA's £50,000 fine and suspended stadium ban for his criticism of referee Robert Madeley after the Southampton game earlier this month, the Chelsea manager has taken another dig at a match official - this time Damir Skomina.

The Slovenian failed to award Chelsea a first-half penalty after Cesc Fabregas fell in the area under Serhiy Rybalka's challenge. 

The Chelsea manager is not in the best of moods this season following a series of poor results

Chelsea were runaway champions last season but now appear a shadow of their former selves

Mourinho was happy to pose for as selfie with Match of the Day pundit Robbie Savage on Tuesday night

'The referee was weak and naive, it's a big penalty,' said Mourinho. 'I keep not understanding, what the goal referee does. Because (he) doesn't make a clear decision.

'When the result is 0-0 and such a penalty is not given it's a crucial moment of the game.

'I actually think the referee was very good but I think he made one mistake.

'And, for example, in the Rugby World Cup, I think the referee in the Scotland game was very good but made one mistake. And that mistake cost Scotland their chance.'

UEFA officials will decide in the next 48 hours whether Mourinho's are worthy of sanctions. 

'Weak and naive' were the words Arsenal boss Arsene Wenger used in criticising referee Mike Dean's performance when Chelsea beat them earlier this season.

As pointed out by Mourinho last week, the Gunners manager dodged any FA sanctions for his comments. 

MOURINHO: THE 'SPECIAL ONE' WITH AN APPETITE FOR CONTROVERSY 

Jose Mourinho, the self-styled 'Special One', is one of the most successful managers in world football and a hero at Chelsea.

But the charismatic Portuguese has never strayed too far from controversy throughout his time at Stamford Bridge and beyond.

Mourinho has been at the centre of many storms, whipping his opponents into a frenzy with his bending of the rules, and picking fights with seemingly anyone who dares to stand in his way.

These are some of Mourinho's most controversial moments in football: 

* In 2005 he got round a stadium ban, imposed for criticising referee Anders Frisk - comments which caused the official to retire from football after he received death threats - by sneaking into Chelsea's home dressing room in a laundry basket.

* He has waged a long-running battle against Arsenal manager Arsene Wenger, infamously once branding his rival a 'voyeur' for the Frenchman's repeated comments about him. Mourinho said: 'He is someone who likes to watch other people. There are some guys who have this big telescope to see what happens in other families. He must be one of them.' The pair often refuse to shake hands at matches and have been involved in ugly shoving on the touchline.

Arsene Wenger (left) and Mourinho scuffle as Arsenal play Chelsea last October - handbags were added to the photograph by online jokers after the incident

* After goalkeeper Petr Cech suffered a fractured skull in a collision during a match against Reading in 2006, Mourinho directed his ire at the Royal Berkshire Ambulance Service. The Chelsea manger claimed it took 30 minutes for an ambulance to arrive, when the service claimed it took six. Mourinho was branded 'ludicrous' and 'an embarrassment' over the incident.

* Mourinho's most unsavoury on-pitch incident came when he was Real Madrid manager in 2011. When an ill-tempered match against fierce rivals Barcelona ended in a melee, Mourinho stole up behind Tito Vilanova, Barca's assistant manager, and poked him in the eye. He was subsequently fined €600 for the incident and handed a two-match ban.

* Last month, Mourinho escaped punishment from the Football Association over comments made to then Chelsea club doctor Eva Carneiro. The governing body found no evidence that he had made discriminatory comments towards Carneiro during a game against Swansea in August. Carneiro was banned from the Chelsea bench for treating Eden Hazard for an injury, which temporarily left Chelsea with only nine men on the pitch. She has since left the club.