Per Mertesacker was involved in a car crash on the M1 on Monday, according to reports.

The 30-year-old is believed to have lost control of his car due to torrential rain before hitting the central reservation.

"Per had an accident after he left training this morning when he went onto the M1 returning home," an unnamed source told The Mirror. "The car aquaplaned into the crash area on the central reservation.

"He was shaken up but not injured. No other vehicles were involved and there was no one else in his car.

"It's not a big deal. Per is fine and ready to return to training."

The German international has made 171 appearances for the Gunners in four seasons.