West Ham fan attacked member of Arsenal's media team during side's defeat at the London Stadium

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Arsenal were left stunned on Saturday after a member of their media team was attacked by a West Ham fan.

The two teams clashed at the London Stadium but the encounter was marred after an Arsenal camera man, who works for the in-house TV channel, was punched by a Hammers fan as he carried out his duties.

The employee is now recovering and West Ham are working to identify the culprit.

An Arsenal camera man was punched by a West Ham fan as he carried out his duties

Alexis Sancehez scored a hat-trick for Arsenal in a brilliant 5-1 win

West Ham are working to identify the culprit who attacked the Arsenal employee 

It's the latest in a growing line of problems at West Ham's new home. 

Earlier in the season there were ugly scenes during the EFL Cup game between West Ham and Chelsea. 

Fans clashed inside the stadium as chairs and coins were thrown between the sets of fans. 

Earlier in the season West Ham and Chelsea fans clashed during a League Cup tie

Fans from both Chelsea and West Ham were caught up in the ugly scenes in October

After the ugly scenes back in October the club promised to ban 200 fans. 

There were also problems earlier in the season with issues with the new stadium with fans clashing and the police radio system not working inside the former Olympic venue.