DUBAI, United Arab Emirates (AP) — Israel launched an expanded assault on Iran on Sunday, with direct strikes targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a fresh barrage of missiles blamed for the deaths of four people and injuries of many others.

Separately in the city’s south, Shahr Rey, one of the country’s largest oil refineries, was also struck, according to Iranian state news media. Emergency crews were trying to contain the fire, and a resident of Tehran, Reza Salehi, said he could see the flames from miles away.

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 Israeli military, in a social media post, warned Iranians to evacuate arms factories, signaling what could be a further widening of the campaign.

An Israeli drone strike on Iran’s South Pars gas field—the world’s largest—has triggered a serious energy disruption and widened the conflict. The fire damaged one of the processing units in Phase 14,

Explosions reported in capital Tehran as Israeli Defence Minister announces "pre-emptive strike" and announces state of emergency

The Lebanese militant group Hezbollah was long considered Iran’s first line of defense in case of a war with Israel.