Jordan will today host an international conference attended by the main UN bodies and regional and international relief agencies to coordinate humanitarian aid to conflict-devastated Gaza, Reuters cited official media as saying.

UN aid chief Martin Griffiths and key UN bodies and non-governmental organizations (NGOs) involved in ramping up aid to Gaza will be present at the conference, along with representatives of Western and Arab countries involved in the aid effort, they said.

The conference, to be held behind closed doors, will be addressed by King Abdullah who has been lobbying Western leaders to back a UN resolution that calls for an immediate ceasefire.

The monarch has accused Israel of committing war crimes with a relentless bombing campaign that has killed at least 15,000 people, according to Gaza health authorities, and a siege of the enclave that prevented for weeks the entry of medicine, food and fuel and cut electricity supplies.

Officials say the king will call on participants to push Israel to end its siege of the enclave and allow unimpeded flow of goods by opening additional border crossings.