Israel has launched heavy bombardment of the Gaza Strip in retaliation, killing more than 4,300 people, mostly civilians, according to the Hamas-run health ministry.
The Israeli military on Monday raised the figure to 199 people confirmed to have been abducted by Hamas to the Gaza Strip in the cross-border attacks which sparked a devastating war.
Currently, more than 1,000 people Palestinians have been reported missing or are presumed to be trapped or dead under the rubble, while the number of injured persons has shot up to 14,245, it added.
In signs that the conflict was spreading, Israeli aircraft also struck southern Lebanon overnight and Israeli troops clashed with Palestinians in occupied West Bank, residents said.
China will firmly support any resolution as long as it is conducive to peace, Foreign Minister Wang Yi told Israel's Eli Cohen, calling the conflict a "major choice between war and peace", state media said on Tuesday.
Two elderly hostages were airlifted to an Israeli hospital to be reunited with the families on Tuesday, as the United States demanded Hamas release more than 200 other captives before Gaza ceasefire talks are considered.
"You look at the neighbouring countries — Egypt, Lebanon, Jordan — there the channels of impact are already visible," Kristalina Georgieva said at the Future Investment Initiative (FII) in the Saudi capital Riyadh.
The head of Lebanon's Hezbollah met with top leaders of the Palestinian factions Hamas and Islamic Jihad, according to a report by Hezbollah's Al Manar TV, saying they had assessed what their alliance must do to "achieve a real victory for the resistance" in Gaza.
Erdogan urged an immediate ceasefire between Israeli and Palestinian forces and said Muslim countries must act together for lasting peace, calling on world powers to pressure Israel to halt attacks.
Ali Al Daba said he decided to divide his family to prevent them from all dying in a single strike. He said his wife Lina, 42, kept two of their sons and two daughters in Gaza City in the north and he moved to Khan Younis in the south with three other children.