Anthony Joshua is back in the gym after a car accident in Nigeria

British heavyweight champion Anthony Joshua is back in the gym after a recent car crash that killed two of his close friends and team members.

The 36-year-old former world heavyweight champion suffered minor injuries in the accident that occurred in Nigeria on December 29.

Sina Gami and Latif “Latz” Ayodele died when their car, in which Joshua was also a passenger, collided with a stationary truck on a main road near Lagos.

Nineteen days after the incident, Joshua posted a video on Snapchat of himself working out, with the message “mental strength therapy” at the bottom of one clip.

He beat Jake Paul in Miami on December 19, 10 days before the incident occurred while he was vacationing in Nigeria.

Last week, he posted tributes to strength and conditioning coach Gami and Coach Ayodele on Instagram., external

“I didn’t even realize how special they were,” he wrote. “I will walk with them and tell jokes with them, without even knowing that God has kept me in the presence of great men.

“It’s 100 percent hard for me, but I know it’s harder for their parents.”