Ibe’s first strike for the Cherries in 46 league appearances sunk the Gunners, who leaked two goals in five minutes in this turnaround defeat.
Callum Wilson’s third goal in four league games had Bournemouth level after Hector Bellerin handed the visitors a lead they could only squander.
The defeat, and its manner, proved another blow to Arsene Wenger, with the Arsenal boss now resigned to losing key attacker Sanchez in the January transfer window.
James Olley assesses the key talking points for Arsenal…
Wenger under renewed pressure
Everton, Burnley and Crystal Palace: those are the only three teams Arsenal have beaten on the road in the Premier League this season.
They threatened to belatedly add to that list here through Hector Bellerin’s 52nd-minute goal before Callum Wilson and…