At least five killed in blast in northern Afghanistan

It was not immediately known who was responsible for the explosion...

Digital Desk: At least five people were killed after a blast hit a vehicle carrying employees of an oil company in northern Afghanistan, Police said on Tuesday.

"A blast took place in... Balkh today at around 7 a.m. on a bus belonging to Hairatan Oil employees," said Mohammad Asif Wazeri, police spokesman for northern Balkh province, adding that at least four persons were also injured in the explosion.

It was not immediately known who was responsible for the explosion. In recent months, there have been a number of attacks in Afghanistan's cities, some of which have been claimed by the Islamic State.

This is a developing story...