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• See all our Israel-Hamas war coverage

The United Nations has said “there is already clear evidence that war crimes may have been committed” by Hamas and the Israeli military since 7 October and that it is gathering evidence for potential prosecutions.

All parties involved in the conflict are governed by a body of law drawn from a system of conventions, treaties and war crimes tribunal rulings known as “international humanitarian law” or the “law of armed conflict”.

IDF says it struck 300 targets this week and killed ‘numerous’ militants, including Hamas commander

• Israel-Hamas war live: latest updates

Israeli tanks and infantry have targeted tunnel entrances and rocket launch positions in fresh clashes with Hamas around Gaza City and in the south of the enclave.

The fighting on Tuesday came amid renewed hope that significant quantities of aid would reach beleaguered Palestinian civilians in the south via the Rafah crossing with Egypt. A World Health Organization official in Geneva said on Tuesday that a “public health catastrophe” was imminent in Gaza.

Witnesses report Salah al-Din Road cut as Israel expands assault, in apparent effort to divide strip in two

• Israel and Hamas at war – live updates

Israeli tanks and infantry have advanced on Gaza City from two directions, with tanks reported to be on the main north-south road, in an apparent effort to cut the strip into two.

Reports in the Hebrew media, statements from Hamas and Palestinian witness accounts, described Israeli armour operating close to the Mediterranean coast in the north of Gaza in an area where Hamas said it was engaged in heavy fighting.

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• Israel-Hamas war: latest updates

The UN security council scheduled an emergency meeting on Israel’s ground invasion of Gaza on Monday afternoon at the request of the United Arab Emirates, the Arab representative on the council, according to a report by Associated Press.

Israeli airstrikes have hit areas around Gaza’s largest hospital, destroying roads leading to the facility, which is a major shelter for Palestinians fleeing Israeli bombardment, residents have told Associated Press.

‘The war inside Gaza is going to be long,’ Netanyahu says, calling the ground invasion a ‘holy mission’.

• See all our Israel-Hamas war coverage

Turkey’s president, Recep Tayyip Erdoğan, says Israel must stop the “madness” and end Gaza strikes, according to Agence France-Presse.

“The Israeli bombardments on Gaza intensified last night and once again targeted women, children and innocent civilians and worsened the ongoing humanitarian crisis,” Erdoğan said on X. “Israel must immediately stop this madness and end its attacks.”