BUENOS AIRES (AFP) - Twelve people were killed and 28 injured when two buses collided head-on in eastern Argentina on Friday (Feb 24), the emergency services said.

The buses were full of passengers when they collided and crashed into a ditch near the city of Rosario, civil defence official Marcos Escajadillo told television channel C5N.

He said investigators had yet to establish the cause of the crash.

(This is a developing story)