Tel Aviv, March 12 -- The Vietnamese Embassy in Israel on March 12 issued a notice to the Vietnamese nationals living, studying, and working there, urging heightened caution amid a complex security situation following a surge in missile and drone strikes in recent days.

The embassy cited updates from local authorities saying that retaliatory strikes coordinated by Iran and Hezbollah using missiles, rockets and unmanned aerial vehicles have risen sharply in both volume and frequency over the past 24-48 hours. Northern and central Israel have borne the brunt of the attacks.

Israeli authorities also reported the use of cluster munitions in several attacks, which may leave unexploded ordnance scattered on the ground. Notably, some localitie...