US air strikes hit targets across southern Iran, killing and injuring civilians. Iran vows retaliation as tensions rise, with Gulf nations including Qatar on alert amid fears of wi

US air strikes hit targets across southern Iran, killing and injuring civilians. Iran vows retaliation as tensions rise, with Gulf nations including Qatar on alert amid fears of wider regional escalation. Al Jazeera’s Resul Serdar reports from Tehran and Laura Khan from Doha.