Israel launched “preemptive” strikes early Friday across Iran, amid growing regional tensions and concerns about Iran’s nuclear capabilities.

Both nations have vowed to retaliate “strongly” to each other’s deadly attacks with offensives that have have showed no sign of slowing so far.

By bnm Tehran bureau Iran’s Supreme Leader, Ayatollah Ali Khamenei, has vowed that the country’s armed forces will deliver a forceful response to Israel’s large-scale aerial assault, which struck multiple sites across Iran early on June 13.

Iran has launched retaliatory missile strikes on Israel into Saturday morning after a series of blistering Israeli attacks on the heart of Iran’s nuclear program and its armed forces, killing at least

Hostilities between Israel and Iran entered a fourth day on Monday with no sign of easing, stoking fears of a wider war in the oil-rich region.