At least 25 people were killed and 40 wounded when a fuel tank exploded in Afghanistan’s western Herat province on Sunday following a welding accident in a village market, government officials said.The blast ripped through a bazaar in the village of Aziz Abad along a highway in remote Shindand district not far from a US Military base, said Ghulam Mohammad Masoan, spokesman for the provincial governor. ‘‘It was an accident,’’ he said, adding: ‘‘A gas truck had some problem and the driver tried to weld it. That set off an explosion that triggered another explosion.’’The truck was parked outside a mechanics shop in Aziz Abad. The blast sparked another explosion in a nearby fuel truck, he said. Afghan President Hamid Karzai’s spokesman, Jawed Ludin, said at least 25 were killed and 40 wounded.
