Nigeria, Feb. 7 -- Bayonle Jacob*, a parliamentary security officer, was on a routine patrol near the National Assembly annexe building at about 2 a.m. last February when he encountered a group of criminals stealing manhole covers.

They overpowered and stabbed him in his right arm. They tied his hands and legs with a rope before making away with several heavy manhole covers.

Since the attack, Mr Jacob has avoided patrolling the area of the complex during dark hours.

"I didn't know they were armed. I was trying to scold them, but one of them just moved towards me and stabbed me. They were about six and armed with weapons. I wanted to run away, but they tied me with rope. My colleagues rescued me in the morning after the thieves went awa...