UN chief Antonio Guterres urges immediate halt to US-Iran strikes, warning of rising civilian casualties and regional escalation in the Middle East.

The UN’s official readout of the meeting said Guterres and Pezeshkian discussed the humanitarian and economic consequences of the conflict between Iran and the US.

UN Secretary-General Antonio Guterres on Wednesday expressed "grave concern" after renewed strikes between the US and Iran, and condemned all attacks against civilians.