TEL AVIV, Israel (AP) — A rocket strike Saturday on a soccer field killed at least 11 children and teens, Israeli authorities said, in the deadliest strike on an Israeli target along the country's northern border since the fighting between Israel and Hezbollah erupted. It risked unleashing a broader regional war . Israel blamed the Lebanese militant group Hezbollah for the strike in the Israeli-controlled Golan Heights, but Hezbollah rushed to deny any role.

Israel's military called it a “very serious” event and said it would act accordingly. “Hezbollah fired a rocket at children playing soccer in northern Israel. It then lied and claimed they did not carry out the attack,” said the military's chief spokesman, Rear Adm.

Daniel Hagari. He called it the deadliest attack on Israeli civilians since the Hamas attack on Oct. 7 that sparked the war in Gaza.

Hezbollah chief spokesman Mohammed Afif told The Associated Press that the group “categorically denies carrying out an attack on Majdal Shams.” It is unusual for Hezbollah to deny an attack. The militant group said its fighters carried out nine different attacks using rockets and explosive drones against Israeli military posts, the last of which targeted the army command of the Haramoun Brigade in Maaleh Golani with Katyusha rockets.

It said it was in response to Israeli airstrikes on villages in southern Lebanon. The strike followed earlier cross-border violence on Saturday, when Hezbollah said three of its fighter.