Bournemouth are in pole position in the race to be promoted to the Premier League after a 3-0 victory over fellow contenders Middlesbrough on Saturday.
Romelu Lukaku struck twice as Manchester United returned to winning ways after two successive Premier League losses with a 2-0 victory over Burnley at Turf Moor on Sunday.
Out-battled for an hour by their modest south coast opponents, Arsenal belatedly sparked into life and Olivier Giroud's glancing header two minutes into stoppage time completed their remarkable recovery from 3-0 down.
Aston Villa beat Crystal Palace 1-0 to win a Premier League match for the first time since August while a late goal from Paul Dummett earned a 3-3 draw for Newcastle United against Manchester United on Tuesday.
Images from the EPL matches played on Sunday
In the 69th minute, the Argentine slid in to meet a cross from Sterling and, although it appeared Mings got the final touch for an own goal -- ultimately, a decision for the dubious goals committee -- no-one was going to persuade Aguero that he was not responsible for putting City two up.
Manchester City had to battle back from behind to earn a 1-1 draw against Premier League newcomers Wolverhampton Wanderers who gave the champions a real test at Molineux on Saturday.
Arsenal moved top of the Premier League table but were unconvincing in a 0-0 home draw with Middlesbrough who were well worth their point on Saturday.
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