Per Mertesacker was involved in a minor car crash on Monday but was unhurt

The Arsenal defender was returning home from training in heavy rain and lost control of his car on the M1, hitting the central reservation in the process.It is understood that only Mertesacker was involved in the incident, with the car aquaplaning, but reports have suggested that the Germany international was left “shaken” by the incident.Arsenal face Dinamo Zagreb on Wednesday but