Israel is"determined to go up to the end" in its Gaza military campaign and is not open to serious negotiations for a ceasefire, UN Secretary-General Antonio Guterres said Tuesday as the Israeli military launched a major ground assault deep into Gaza City. His statement came after a UN commission of inquiry concluded that Israel was committing genocide in the Palestinian enclave. Follow our liveblog for the latest updates on the conflict.

Yesterday's key developments: 

• Arab and Muslim leaders called for a review of ties with Israel after emergency talks in Doha on Monday following last week's deadly strikes there.
• US President Donald Trump insisted that Israeli Prime Minister Benjamin Netanyahu would not strike Qatar again.
• A new Gaza aid flotilla carrying activist Greta Thunberg set sail from Tunisia.