About 200 aid trucks, including four fuel trucks, are expected to enter Gaza through the Kerem Shalom border crossing, Khaled Zayed, the head of the Egyptian Red Crescent Society in North Sinai, told Reuters.
Egyptian state-affiliated Al Qahera News TV shared video on social media site X of what it said were the aid trucks as they entered the crossing.
The Rafah border crossing, which was the main entry point into Gaza for humanitarian aid and commercial supplies, has been shut for almost three weeks, since Israel took control of the Palestinian side of the crossing as it stepped up its military offensive in the area on May 6.
Some food supplies bound for Gaza have begun to rot with the Rafah crossing closed.
Egypt and the US agreed on 24 May to send aid via Israel's nearby Kerem Shalom crossing until legal arrangements are made to reopen Rafah from the Palestinian side, the Egyptian presidency said.
A global hunger monitor has warned of imminent famine in parts of Gaza, home to 2.3 million people.
Britain is working with allies on a range of options to support commercial shipping through the Strait of Hormuz in the face of Iranian threats, Prime Minister Keir Starmer's spokesperson said on Tuesday as the U.S.-Israeli war with Iran roils oil prices.
Australia on Tuesday granted humanitarian visas to five Iranian women soccer players after they sought asylum, fearing persecution on their return home for their refusal to sing the national anthem at an Asia Cup match.
The humanitarian crisis in Lebanon has deepened amid the wider Middle East war, with 84 children killed and more than 667,000 people displaced, two UN agencies said on Tuesday.
Iran is fighting back but is not tougher than the U.S. military expected before the war, the top U.S. general told reporters on Tuesday, as the Pentagon promised its most intense day of strikes in the 10-day-old conflict.