Iran's army warned on Tuesday it would "open new fronts" against the United States if it resumes attacks, after President Donald Trump said he had held off launching a new offensive in hopes of striking a deal.

"If the enemy is foolish enough to fall into the Zionist trap again and launches new aggression against our beloved Iran, we will open new fronts against it, with new equipment and new methods," said army spokesman Mohammad Akraminia, according to Iran's ISNA news agency.

U.S. President Donald Trump said he would "hold off" an attack on Iran scheduled for Tuesday at the request of Gulf leaders.

Trump said on his Truth Social network on Monday that "serious negotiations" were now underway with Iran and that Gulf states believed "a deal will be made."

Israeli strikes have killed more than 3,000 people in Lebanon since the start of the war between Hezbollah and Israel on March 2, the health ministry said on Monday, after an April 17 ceasefire failed to stop the fighting.

Iran's top security body announced on Monday the formation of a new body to manage the Strait of Hormuz, which Tehran has effectively closed and wants to charge ships to traverse.

Iran's Revolutionary Guards said Monday their forces had struck groups linked to the United States and Israel in the western Iranian province of Kurdistan, near the border with Iraq.

Iran's football team arrived in Turkey on Monday for a training camp and to complete visa applications ahead of the 2026 World Cup, AFP correspondents said.

Oil prices turned lower in afternoon trading Monday and stock markets advanced after an Iranian media report said U.S. officials had agreed to suspend sanctions against its crude while talks on ending the war continue.

President Joseph Aoun said Monday that he would do the 'impossible' in order to stop the war with Israel, after a ceasefire and direct talks failed to end the fighting.

"The framework that Lebanon has set for the negotiations consists of an Israeli withdrawal, a ceasefire, the deployment of the army along the border, the return of the displaced, and economic aid," Aoun said in a statement.

Iran said Monday it had responded to a new U.S. proposal aimed at ending the war, adding that diplomatic exchanges continue despite Iranian media reports describing Washington's demands as excessive.

Hezbollah fired around 200 projectiles at Israel and its troops over the weekend, an Israeli military official said.

"Over the weekend, Hezbollah launched approximately 200 projectiles toward the State of Israel and IDF troops, in a clear and ongoing violation of the ceasefire understandings," the official said, in a statement to AFP.