Former heavyweight boxing champion Anthony Joshua was involved in a car accident in Nigeria in which two people were killed, authorities confirmed Monday.

Reuters and the BBC cite local media reports that Joshua, 36, sustained minor injuries in the two-vehicle crash and was taken to a local hospital.

According to local media, Joshua was in the back of a vehicle when it collided with a stationary truck Monday morning Dec. 29, on the busy Lagos-Ibadan expressway.

An investigation into the case of the crash is ongoing. Joshua could not be reached for comment.