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 battle between the two old enemies could lead to a broader regional conflict.

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 has launched a series of strikes against Iran, targeting the country’s nuclear program and other military infrastructure. Iran has launched its own strikes in retaliation.

"The full strength and might of the U.S. Armed Forces will come down on you at levels never seen before," Trump warned.

By Alexander Cornwell, Parisa Hafezi and Jeff Mason TEL AVIV/DUBAI/WASHINGTON (Reuters) -Israel and Iran kept up their attacks, killing and wounding civilians and raising concern among world leaders meeting in Canada this week that the biggest battle between the two old enemies could lead to a broader regional conflict.

Traders had been positioning for Israel’s attack on Iran, but there is still anxiety that prices could continue to surge well beyond $US100 a barrel.

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.

Israel's airstrikes on Iran's military and nuclear facilities led PM Netanyahu to hold urgent talks with world leaders, including PM Modi.