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Israel-Gaza-Lebanon live updates: At least 4 killed in IDF strike on Gaza hospital
The attack killed four Israeli soldiers at a base in the north of the country.
The Israel Defense Forces continued intense air and ground campaigns against Hezbollah in Lebanon and against Hamas in the Gaza Strip.
The uptick in offensive operations came after Israel marked the anniversary of Hamas' Oct. 7 assault, and as Israeli leaders planned their response to Iran's latest ballistic missile attack.
Latest headlines:
Hezbollah launches dozens of cross-border attacks, marking daily record
Hezbollah issued 38 statements claiming cross-border attacks into Israel on Sunday -- the highest tally since renewed fighting began on Oct. 8, 2023, per ABC News' count.
The attacks included the drone strike on an Israel Defense Forces training base in northern Israel, which killed four soldiers and injured 55.
Hezbollah has expanded its attacks into Israel despite the IDF's monthslong campaign of targeted killings of top commanders and airstrikes on Hezbollah military facilities and weapons caches.
-ABC News' Ghazi Balkiz and Guy Davies
IDF claims killing of Hezbollah anti-tank commander
The Israel Defense Forces said Monday it killed a Hezbollah commander responsible for anti-tank missile forces.
The IDF said in a statement posted to social media that Muhammad Kamal Naim was killed in an airstrike in the Nabatieh region of southern Lebanon.
Naim, it said, was responsible for the elite Radwan Force's anti-tank weapons.
Naim "was responsible for planning and carrying out many terrorist plots, including firing anti-tank missiles at the Israeli rear," the IDF wrote.
Israel kills 20 in strike on UNRWA school, health ministry says
At least 20 people were killed in an Israeli airstrike on a United Nations Relief and Works Agency for Palestine Refugees in the Near East school-turned-shelter in central Gaza, the Hamas-run Health Ministry in Gaza said.
The school was being used to shelter displaced people in Nuseirat camp, health authorities said. It was bombed on Sunday.
The school was earmarked for use in the planned second round of the Gaza polio vaccination campaign, which was due to begin on Monday.
-ABC News Diaa Ostaz and Guy Davies
10 killed amid 'total siege' in northern Gaza
Ten people were killed in shelling at an aid distribution center in the Jabalia camp in northern Gaza on Monday morning, according to the Hamas-run Health Ministry in the strip.
The area has been the focus of intense recent Israeli military activity, with the Israel Defense Forces reporting fierce fighting with Hamas militants there.
The IDF has ordered residents of northern Gaza -- of whom there are an estimated 200,000 to 400,000 -- to leave the region, which it has classified as a military zone.
Hamas is urging residents to stay, suggesting Israel will not allow those who leave to return.
Gaza's Civil Defense said there was a "complete siege" of Jabalia. Aid agencies have said that no food has been allowed to enter the north of Gaza since Oct. 1.
-ABC News' Nasser Atta and Guy Davies