The club has confirmed the incident, from which the 23-year-old emerged unhurt after rolling his Mercedes on the motorway.
The Athletic report that the crash happened at 6am on Wednesday between junctions 24 and 25.
Highways England reported that emergency services had attented an accident described as a ‘multi-vehicle incident with a car on its side’ at the same point on the M25.
Arsenal’s club doctor has reportedly been in contact with Maitland-Niles to check on his wellbeing.
The 23-year-old is back at Arsenal after spending the second half of last season on loan at West Brom, who he could not save from relegation despite some impressive performances.
He is expected to leave the Gunners this summer, with Premier League clubs including Wolverhampton Wanderers linked with a move for him.
Just last year Maitland-Niles won five caps for England under Gareth Southgate, but after falling out of favour at Arsenal and moving to the Hawthorns, he also fell a long way down the pecking order for his country, both at right-back and in his favoured midfield position.
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