Israel said Iran had fired over 270 missiles since Friday, 22 of which slipped through the country’s sophisticated multi-tiered air defenses and caused havoc in residential suburbs, killing 14 people and wounding 390 others as of late Sunday.

Israel and Iran have traded more missile attacks despite international calls for a halt to the fighting, with neither country showing signs of backing down as the conflict between the regional foes raged for a third day.

Iran fired a new wave of missile attacks on Israel early Monday, triggering air raid sirens across the country as emergency services reported at least three killed and dozens more wounded in the fourth day of open warfare between the regional foes that showed no sign of slowing.

The conflict between Israel and Iran continues on Day 4 (Monday) with both sides launching a barrage of drones and missiles at military and residential sites. Tehran reportedly struck close to Haifa port in Israel,

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.