The World in Brief from The Economist

Binyamin Netanyahu, Israel’s prime minister, ordered the Israel Defence Forces to expand its “existing security zone” in southern Lebanon; The speaker of Iran’s parliament said that America is “secretly planning a ground invasion” and that Iran is “waiting”.

The Houthis, Yemeni rebels backed by Iran, said they fired a second salvo of missiles at Israel, hours after launching their first such attack since the war began; About 3,500 American Marines and sailors arrived in the Middle East on board the USS Tripoli, an amphibious warship.

Iran struck Saudi Arabia’s Prince Sultan Air Base, reportedly wounding 15 American troops, five of them seriously

The Republican-controlled House of Representatives passed a stop-gap bill to fund the Department of Homeland Security

The Houthis, Yemeni rebels backed by Iran, said they fired missiles at Israel, their first such attack since the Iran war began four weeks ago; Iran struck Saudi Arabia’s Prince Sultan Air Base, reportedly wounding 12 American troops.

Mr Trump directed the Department of Homeland Security to pay airport-security staff, declaring the six-week DHS shutdown an “emergency situation”

Israel said it attacked two of Iran’s nuclear facilities after warning it would “escalate” its offensive; In response Abbas Araghchi, Iran’s foreign minister, threatened to exact a “heavy price” for Israel’s attack.

Donald Trump suspended his threat to strike Iran’s energy infrastructure for a further ten days, until April 6th. Also, the price of Brent crude, the global benchmark for oil, rose above $110 a barrel.