Israel's airstrikes have severely weakened Iran's nuclear capabilities and military leadership, leaving Tehran with limited retaliatory options.

Israel carried out airstrikes inside Iran, making the long-standing conflict between the two countries much more serious.

Israel and Iran have opened a new chapter in their long history of conflict. Israel launched a major attack with strikes early Friday that set off explosions in the Iranian capital of Tehran.

Syrian Observatory for Human Rights reports one dead and two others wounded in the Israeli attack on a vehicle.

The Israeli military on Sunday released video it said showed the underground rooms where they found the body of Hamas leader Mohammed Sinwar who is believed to have died in tunnels under a Gaza hospital last month.

The IDF has confirmed that senior Hamas leader Mohammed Sinwar was killed in a May 13 airstrike targeting an underground command center beneath a hospital in Khan Younis, Gaza. Sinwar had succeeded his brother Yahya Sinwar as head of Hamas after Yahya and Mohammed Deif were killed last year.

He was the younger brother of Yahya Sinwar, the former Hamas leader killed by Israel last year. Hamas did not immediately respond to the claim of his death.

International Atomic Energy Agency (IAEA) chief Rafael Grossi told the United Nations Security Council on Friday that Israel's strike on an Iranian nuclear facility was causing "radioactive and chemical contamination.