At least five people were killed and 20 wounded after an explosion at a mosque in the Afghan capital Kabul after Friday prayers, Taliban spokesperson for the chief of police Khalid Zadran said — but eyewitnesses said they feared many more had died.At least five people were killed and 20 wounded after an explosion at a mosque in the Afghan capital Kabul after Friday prayers, Taliban spokesperson for the chief of police Khalid Zadran said — but eyewitnesses said they feared many more had died.