Global shares have advanced and oil prices have fallen back slightly as Iran unleashed a fresh wave of missile attacks on Israel early Monday.

Israel has targeted Iranian energy infrastructure, including the world’s largest gas field, South Pars, which Iran shares with Qatar. CNN’s Becky Anderson speaks with analyst Firas Maksad about how this escalation poses a significant threat to global energy security.

"Never try and predict what the price of oil is going to be, because there's one sure thing: You're going to be wrong," says Baker Hughes CEO Lorenzo Simonelli.

Israel unleashed airstrikes across Iran for a third day on Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the

By Alexander Cornwell, Parisa Hafezi and Jeff Mason TEL AVIV/DUBAI/WASHINGTON (Reuters) -Iranian missiles struck Israel's Tel Aviv and the port city of Haifa before dawn on Monday, destroying homes and fuelling concerns among world leaders at this week's G7 meeting that the confrontation could lead to a broader regional conflict.

Israel launched an expanded assault on Iran on Sunday, targeting its energy industry and Defense Ministry headquarters, while Tehran unleashed a deadly barrage of missiles.

An exchange of strikes on refineries and gas facilities was limited but raised the risks to an industry with broad economic impacts.