Oil prices rose Tuesday amid concerns over a prolonged Middle East conflict after President Trump's comments that the ceasefire with Iran is on "life support"

President Trump said he's extending the ceasefire until Iran has submitted a proposal in talks with the U.S. "and discussions are concluded."

The US president rejects extending truce as Tehran warns of response and negotiators head to Islamabad

The United States and Iran have signalled they will hold a new round of ceasefire talks in Pakistan, two regional officials said Tuesday, as leaders on both sides warned they were prepared for more fighting if a fragile two-week truce expires without a deal.

The extension was announced just hours before it was set to expire. The president did not provide details on how long the new ceasefire extension will last.

Oil pushed higher as US president Donald Trump cast doubt over the ceasefire with Iran after rejecting Tehran’s latest peace offer, prolonging the effective closure of the vital Strait of Hormuz. Brent crude traded near $105 a barrel after rising 2.

Trump called Iran’s counter peace proposal “totally unacceptable,” dimming the prospects of an imminent deal to end the war.

By Nayera Abdallah, Elwely Elwelly and Idrees Ali DUBAI/WASHINGTON, May 11 (Reuters) - President Donald Trump's swift rejection of Iran's response to a U.S. peace proposal pushed oil prices higher on Monday,