Neither country is showing signs of backing down as the conflict between the regional foes raged for a third day.

Trump: Hope Israel and Iran reach ceasefire deal • Israel's air superiority may bring war's end sooner than expected • 16 Israelis killed, at least 390 wounded

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."

Israel and Iran kept up their attacks, killing and wounding civilians and raising concern among world leaders meeting in Canada this week that the biggest battle between the two old enemies could lead to a broader regional conflict.

Evening news wrap: Embassy issues advisory for Indians in Iran, Aryan Aviation operations suspended after Kedarnath chopper crash; & more

Onlookers gathered on Saturday at a central Tel Aviv residential building next door to Israel’s defense headquarters that was damaged after it took a hit from what appeared to be shrapnel from an overnight missile barrage from Iran.

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

Delta Air Lines Inc. and United Airlines Holdings Inc. suspended flights to Tel Aviv following Israel’s bombing of Iran and the closure of Israel’s airspace.