Men move an injured man to a hospital after a blast in Kabul, Afghanistan May 31, 2017. REUTERS/Mohammad Ismail

KABUL (Reuters) - At least 80 people were killed and 350 wounded in Kabul on Wednesday when a powerful vehicle-borne bomb exploded in the middle of the Afghan capital, a public health official said.

The attack is one of the most serious seen in the Afghan capital for several months.