Israel unleashed airstrikes across Iran for a third day and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.

Explosions have been seen over Tel Aviv and Jerusalem as the country faces yet another barrage of missiles from Iran. It comes after explosions were reported in central Tehran, as attacks continue between Iran and Israel.

From a bomb shelter at Tel Aviv, our correspondent reports of the wail of sirens signaling incoming ballistic missiles the length of Israel Sunday evening.

Israel unleashed a punishing wave of strikes across the breadth of Iran on Sunday and Tehran hit back with fresh missile barrages, as both sides threatened more devastation in a conflict that appeared to be intensifying.

Israel has launched a series of strikes against Iran, targeting the country’s nuclear program and other military infrastructure. Iran has launched its own strikes in retaliation.