Arteta's hat trick: City coach again hides wound from flying bottle during tunnel row at Manchester derby as he takes private jet for 20-MINUTE flight to Swansea for Premier League match

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Mikel Arteta is still taking extra care to cover up the mark left on his forehead after Manchester City and Manchester United's post-match brawl at Old Trafford on Sunday.

The City co-assistant was pictured wearing a woolly hat on his way to the Etihad Campus on Wednesday morning, before later being snapped boarding City's plane for the 21-minute flight to Wales, to play Swansea, wearing a cap.

Arteta was struck by a bottle in the melee at Old Trafford after City's 2-1 victory and was left with blood streaming down his face.

Mikel Arteta was pictured on his way to City's training ground using a woolly hat to hide the cut on his forehead 

Arteta sustained the injury after being struck by a bottle in the post-match clash between City and United's supporters

Arteta (left) was seen wearing a cap as he boarded City's flight to Wales ahead of their match against Swansea on Wednesday

Reports in Spain have claimed that Romelu Lukaku threw the bottle which struct Arteta on the forehead 

Ederson (left) who was involved in the bust-up with United, pictured heading to City's flight to Wales to play against Swansea

The City players pictured getting aboard the plane as they bid to continue their unbeaten run so far this season

It is unknown whether he needed stitches or any extra medical attention to treat the wound but the Spaniard still appears to be going to extra lengths to stop anyone catching a glimpse.

Spanish radio station Cadena SER have claimed the bottle was thrown by  Arteta's injury was caused by a bottle thrown by United striker Romelu Lukaku.

On Monday, Arteta held his hand over his head as he arrived at City's training ground alongside fellow coach Lorenzo Buenaventura.

The clash between City and United's players was sparked by Jose Mourinho entering City's dressing room after becoming irritated by their celebrations.

The United manager and City goalkeeper Ederson yelled at one another in Portuguese and the altercation escalated into a huge confrontation with players and staff piling in.

On Monday, Arteta used his hand to hide the wound on his forehead which left him with blood streaming down his face

City co-assistant Arteta pictured arriving at Old Trafford before City defeated their fierce rivals 2-1 on Sunday

Mourinho had water squirted at him, was doused in milk and was hit on the head by an empty plastic bottle, which the home players believe was thrown by the opposition goalkeeper. 

Witnesses said some players tried to swing punches while police looked on in disbelief. 

Both Pep Guardiola and Mourinho did not elaborate too much on the incident in press conferences on Tuesday.

Guardiola spoke first and said: 'What happened (after) hopefully won’t happen again. 

'The situation at Old Trafford when you go to the home locker room you have to pass the away one, but we were inside celebrating.

Mourinho is said to have rowed in Portuguese with City goalkeeper Ederson after he was irritated by their celebrations

Leroy Sane shared a picture of the City players celebrating in the changing room after their 2-1 victory at Old Trafford

‘It wasn’t anything exceptional. It was what we did last season in the past and what we will do in the future. But always we respect our opponents because we go on the pitch.

‘The images can speak for themselves, what happened after the game, David Silva shook the hands of the opponents and then went to the fans in front.' 

Mourinho refused to be drawn on what Guardiola had said only moments before he faced the press but still criticised City's conduct after the match.

'He says, he says. I'm not here to comment on his words,' Mourinho retorted. ‘The only thing I can say is that for me it was just a question of diversity, diversity in behaviours, diversity in education, just that and nothing more than that.’

City's victory meant they extended their lead atop the Premier League table to 11 points over second-place United. 

On Tuesday, United manager Mourinho deflected most of the questions about the derby bust-up with City

City manager Pep Guardiola insisted there was 'nothing exceptional' about his side's derby celebrations

Guardiola's men play last-place Swansea on Wednesday night and curiously took the short flight out to Wales on the day of the game, rather than arriving the day before and staying in a hotel.

Swansea head into the match off the back of a 1-0 victory over West Brom on Saturday.

United, meanwhile, host Bournemouth.