March 17 (Reuters) - An air strike by Pakistan on Monday that the Afghan government says killed hundreds of civilians has led to an escalation in the conflict between the South Asian neighbours. Here is a look at what happened.

Iranian officials say more than 170 people were killed in the strike. Neither the U.S. nor Israel has said it was behind the attack, but the Pentagon is investigating.

Israel launched a fresh wave of attacks on Iran on Friday, a day after President Donald Trump told it not to repeat its strikes on Iranian ​natural gas infrastructure, which sharply escalated the U.S....

The strikes were in retaliation for Israel’s attack on the South Pars gas field – despite Qatar having no involvement in the operation.