India, March 17 -- Afghanistan on Monday said more than 400 people were killed and over 250 injured after the Pakistan military carried out an airstrike targeting a Kabul hospital that treats drug addicts, Afghan officials said on Tuesday.

The alleged attack came hours after Afghan officials said the two sides exchanged fire along their common border, killing four people in Afghanistan, as the fighting between the neighbors entered a third week.

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Though Taliban officials earlier said that 200 people were killed in the strike, the toll was later revised to 400. Afghanistan's deputy government spokesman Hamdullah Fitrat said the death toll from the airstrike had increased to 400. He ad...