A man has taken to social media to seek answers regarding what Muhammadu Buhari's son was seen doing on his grave. He shared a video of the moment.

The event, which took place at the late president’s residence, attracted thousands of mourners from across the

Buhari - pictured here in 1977 with the then-King of Sweden Carl XVI Gustaf and Saudi Arabia's Sheikh Ahmed Zaki Yamani in 1977 - began his military career straight out of school. By the time this picture was taken, Buhari had risen to become a regional military commander.