Meanwhile Donald Trump says his early G7 exit has "nothing to do" with an Israel-Iran ceasefire, as fighting between the two nations enters a fifth day.

NBC's Matt Bradley said Monday night was "quite a bit less terrifying" than Friday, Saturday or Sunday, and the Iranians could be "running out of steam." "According to the IDF, last night was the lightest Iranian assault on Israel since this all began with Israel’s attacks against Iran on Friday morning,

At least seven people were killed and more than 100 injured when an Iranian ballistic missile hit Bat Yam, just south of Tel Aviv, overnight on Sunday, domestic media reported. Other reports put the death toll at six people. Israel's police said residential buildings took a "direct hit that caused extensive damage."

A rare daytime missile barrage on Tel Aviv forces millions into shelters as Israeli forces retaliate against Iran's missile-launching capabilities.

Both countries have closed their airspaces, leaving few options for citizens of other countries seeking to leave.

TEL AVIV/DUBAI (Reuters) -Israel and Iran attacked each other for a fifth straight day on Tuesday, and U.S. President Donald Trump urged Iranians to evacuate Tehran, citing what he said was the country's rejection of a deal to curb nuclear weapons development.

Israeli citizens were ordered to head to bomb shelters on Friday night amid retaliatory missile strikes from Iran.