To western Africa now, and authorities in Nigeria are pushing for a ban on the sale of gas in crowded areas. It follows Monday's deadly explosion at a petrol station in the central town of Lafia. At least 35 people were killed and more than a hundred badly burned. Kelechi Emekalam has more.

KELECHI EMEKALAM ABUJA, NIGERIA "Nasarawa State is about three and half hours southeast of where I'm standing in the Nigerian capital Abuja. We understand the gas truck was discharging gas at a petrol station when it exploded. The quickly engulfed the nearby area. So many people were caught in the flames. Emergency officials in the state have said at least 35 were killed. Most of the dead were burnt beyond recognition. Scores others are being treated for extensive burns. The cause of the explosion has not yet been established, but authorities are already talking about new legislation to regulate the sale of gas in urban centers."

IBRAHIM BALARABE, SPEAKER NASARAWA STATE HOUSE OF ASSEMBLY "Something of this nature need not to take place within this very environment, it's supposed to be within the outskirts of the city. But we as members of the assembly, we are going to come up with a law to stop these type of activities taking place in the heart of the city."

Gas is the main source of domestic fuel in Nigeria but a more robust distribution network barely exists.

KELECHI EMEKALAM ABUJA, NIGERIA "Much of the gas is moved around in trucks and discharged in crowded depots for domestic users to buy. Kelechi Emekalam, CGTN, Abuja, Nigeria."