Even as regional leaders scramble to find diplomatic off-ramps to the war, the main players – Israel, the US and Iran – are doubling down on their positions.

Iran’s Ministry of Energy says attacks on "electricity infrastructure" in parts of the capital, Tehran, the wider Tehran Province and Alborz Province have led to power being cut off, Iranian outlets report.

Israeli officials say Iran's internet blackout is hiding war damage, jamming Starlink, and stopping civilians from organizing amid mounting regime pressure.

The monthlong war between the US, Israel, and Iran-backed forces is intensifying. US President Donald Trump has warned Iran of

Follow NBC News' latest coverage on the Iran war, Trump's ground operation threats, peace talks and energy prices.

Israel’s largest oil refinery was hit in by an Iranian missile, according to a person familiar with the matter. Videos from the scene shared by Israel’s public broadcaster showed thick black smoke rising from a fire in the area of the refinery,

Trump signals ending conflict without reopening Hormuz as strikes hit Tehran, oil tanker attacked and global tensions rise.

While Trump has talked about diplomacy, fears of a ground invasion in Iran loom as US troops arrive in the region.

DUBAI, United Arab Emirates (AP) — U.S. President Donald Trump on Monday threatened widespread destruction of Iran’s energy resources and other vital infrastructure, potentially including desalination plants that supply drinking water, if a deal to end the war is not reached “shortly.”

A fire broke out Monday at an oil refinery in the northern Israeli city of Haifa for the second time during the monthlong war with Iran, according to footage from the scene.

TEL AVIV/WASHINGTON, March 31 (Reuters) - Iran attacked and set ablaze a fully loaded crude oil tanker off Dubai on Monday, as President Donald Trump warned the U.S. would obliterate Iran's energy plants and oil wells if it does not open the Strait of Hormuz.