China suggested the US use its influence with Israel to stop the conflict with Iran from spilling over, a sign Beijing is becoming increasingly concerned about the stability of a region it relies on for energy supplies.

American citizens in Israel are strongly advised to limit internal travel and to maintain a high level of situational awareness. Iran remains under a longstanding "Level 4: Do Not Travel" advisory due to risks of terrorism, kidnapping, wrongful detention, and civil unrest.

Israel and Iran have opened a new chapter in their long history of conflict. Israel launched a major attack with strikes early Friday that set off explosions in the Iranian capital of Tehran.