Pakistan, June 8 -- Iran has warned that any new Israeli action against Iran or Lebanon will face a strong and devastating response, as tensions continue to rise following fresh exchanges of attacks in the region. The warning comes amid growing international concern over a widening conflict involving multiple countries.

Meanwhile, Britain has urged both Iran and Israel to exercise immediate restraint and avoid further escalation that could destabilize the region. At the same time, the US Embassy in Jerusalem issued a security advisory and temporarily suspended consular services due to heightened security risks.

Iranian officials said any Israeli military action against Iran or Lebanon would be unacceptable and would trigger a powerful r...