All night people in Israel have been braced for more rockets. Just before 01:00 the Israeli military announced that it was striking missile sites in Iran, and instructed residents to move closer to shelters. Four hours later the response came – with what felt like the largest barrage so far of this conflict.

Israeli emergency-services organization Magen David Adom said that three people died in the missile strike earlier Monday. The victims were two women and one man, all of whom were about 70 years old.

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.

Jonathan Conricus, a former IDF spokesperson, says Iran is "the weakest that I've ever seen it" after Israel's launch of Operation Rising Lion.

Crude oil futures jumped more than 3% Sunday after Israel struck two natural gas facilities in Iran, raising fears that the war will expand to energy infrastructure and disrupt supplies in the region.

Smoke and flames filled the sky over Tehran as Israel struck oil and gas facilities in the Iranian capital and targeted more nuclear facilities during attacks that carried on into Sunday after starting two days earlier.

The top Democrat on the Senate Armed Services Committee denounced the Israeli strike as a “reckless escalation” that risks a broader war. “Israel’s alarming decision to launch airstrikes on Iran is a reckless escalation that risks igniting regional violence,

Videos and images verified by NBC News piece together a picture of the deprivation and chaos of Gaza's hospitals.