UNITED NATIONS, United States, Jan 19, 2024 (BSS/AFP) - UN chief Antonio Guterres expressed concern Thursday after Iran and Pakistan exchanged air strikes on each other's territory.

"The Secretary-General is deeply concerned about the recent exchange of military strikes between Iran and Pakistan, which have reportedly caused casualties on both sides," said Stephane Dujarric, spokesman for UN Secretary-General Antonio Guterres.

"He urges both countries to exercise maximum restraint to avoid a further escalation of tensions."