At least 10 people were killed and 62 injured on Friday after an explosion at a military barracks in the western Bolivian city of Viacha, local authorities said. The blast took place at around 2.30pm at a military facility used to store pyrotechnic material. While the cause has yet to be established, officials said the blast originated from the defence ministry’s fireworks stockpile. Viacha health director Rita Nebraska told local television that between 10 and 15 people were believed to have...