The death toll in Gaza from overnight Israeli strikes has climbed to 81. Previously, at least 60 people, including many children, were reported killed.

President Donald Trump voiced support for Israel's actions after the U.S. ally carried out strikes across the enclave and traded accusations of truce violations with Hamas.

Israel's military said the ceasefire in Gaza resumed after it carried out heavy airstrikes overnight that killed 104 people, including 46 children, according to local health officials.

Israel's military said on Wednesday it would again observe the ceasefire in the Gaza Strip after carrying out a wave of deadly airstrikes in response to an attack that killed one of its soldiers. The health authority in Gaza controlled by the Palestinian militant organization Hamas reported 104 dead and more than 200 injured since Israel began its attacks on Tuesday.

An official of the Israel Defense Forces told NBC News that Israeli Prime Minister Benjamin Netanyahu called for strikes in retaliation for a Hamas attack in Rafah.

Israel's intense bombardment of the Gaza Strip this week marked the most serious challenge yet for a fragile, U.S.-brokered ceasefire.

Israel's military said on Wednesday it would again observe the ceasefire in the Gaza Strip after carrying out a wave of airstrikes in response to a deadly attack on its soldiers. The military said it had bombed dozens of targets in Gaza overnight,

Israeli strikes in Gaza killed at least 20 people, including children, after Israel accused Hamas of violating the US-brokered ceasefire deal and staging the discovery of a deceased hostage.