Nigeria, June 28 -- The police in Lagos have arrested the chairman of motorcycle riders association in Ajah, Idowu Yusuf, over the murder of Stephen Ojatunwashe, a 37-year old contractor.

Mr Ojatunwashe was killed on May 30 at General Paint, Ajah, following a tussle between motorcycle and tricycle riders in the area.

Mukaila Arowolo, a friend to the deceased, who witnessed the incident said they were attacked by four armed men at a place called General Paint. He said the men aimed at the late Mr Ojatunwashe after shooting in the air to disperse the crowd.

"It was in the evening, around 6 p.m., four guys came on motorcycle to where we were, they were with cutlass and guns and started shooting. People around started running and they came...