Shipowners' organisation Bimco has urged Nigeria to step up efforts to safeguard seafarers as more and more crew are kidnapped from vessels in the Gulf of Guinea.

The plea from the Danish-headquartered body came as the Joint War Committee (JWC) of the Lloyd's Market Association (LMA) redrew the listed extended risk area in the West Africa region.

Having covered only the exclusive economic zones (EEZs) of Togo, Benin and Nigeria north of latitude 3 degrees north since 2013, the update now includes areas further to the south and east...