Hostilities between Israel and Iran rumbled into a fourth day with little sign of an end to the fighting. Iran fired several waves of drones and missiles over the last 24 hours, while Israel continued hitting the Islamic Republic’s capital,

Hundreds of civilians, mostly in Iran, have been killed by dueling airstrikes despite international pleas for de-escalation.

National security experts warn that Israel's attack on Iran shows why Chinese land and asset purchases in the U.S. pose a significant threat to American security.

The missile and air war that Israel and Iran have spent decades planning for has come, and it is spectacular and terrifying. Israeli officials say they need at least two weeks to degrade Iran’s nuclear and missile capabilities.

Russia has maintained a delicate balancing act in the Middle East for decades, trying to navigate its warm relations with Israel even as it has developed strong economic and military ties with Iran.

In response to Israel’s attack, Iran fired back with more than 100 drones. NBC News’ Chief International Correspondent Keir Simmons reports more. Former NATO Supreme Allied Commander retired Gen. Wesley Clark and Senior Fellow at the Carnegie Endowment for International Peace Aaron David Miller join Ana Cabrera to examine the possibility of further attacks.

Markets are having another bout of nerves after Israel bombed Iran, which is believed to have fired back drones in response.