Summary:
At least 11 people have died in a bus crash in Nigeria, officials say.

Full article:
(CNN) -- At least 29 people died in a head-on crash involving two buses Friday in northeastern Nigeria, national police said. The buses caught fire, with 11 of the dead burned beyond recognition, according to a police news release. Sixteen people were injured in the crash in Daniski village in Yobe state. Nigeria's roadways are among the deadliest in the world, according to the World Health Organization. Causes of deadly incidents include human error, vehicle overloading, poor maintenance and bad roads. Dozens killed in China bus crash . 12 killed in bus crash in Mexico .