An Afghan official says at least 19 people were killed when a truck carrying fuel exploded in a tunnel north of the capital, Kabul. Said Shamim, a spokesman for the Parwan provincial governor, said in a statement that the blast on December 17 injured at least 35 people and that survivors remained trapped under rubble. It was not immediately clear what caused the explosion, which happened at around 8.30 p.m. local time. The Salang Tunnel, which is around 130 kilometers north of Kabul, was originally built in the 1960s and is a major transit link between northern and southern regions of Afghanistan. To read the original story from Radio Azadi, click here.