Deadly Israeli attacks that blew up Hezbollah radios and pagers crossed all red lines, the leader of the heavily armed Iran-backed Lebanese movement said on Thursday, as the United States called for restraint and urgent de-escalation.

Hassan Nasrallah refused to say when or how Hezbollah would take revenge. As he spoke, Israeli fighter jets swooped low over Beirut.

The absence of a full-blown war in Lebanon has been touted as a core U.S. achievement, but now Washington’s grip on the crisis appears more tenuous than ever.

By JOHNSON LAI, JUSTIN SPIKE and BASSEM MROUE TAIPEI, Taiwan (AP) — Multiple explosions occurred Wednesday at the site of a funeral for three Hezbollah members and a child killed by

Hezbollah’s Al Manar TV reported explosions in multiple areas of Lebanon, and a Hezbollah official told The Associated Press that walkie-talkies used by the group exploded as part of blasts heard in Beirut. The official spoke on condition of anonymity because he was not authorized to speak to the media.

Multiple explosions went off Wednesday at the site of a funeral for three Hezbollah members and a child killed by exploding pagers the day before.

Lebanon's official news agency reports that home solar energy systems exploded in several areas of Beirut.

View of Beirut following reports of various explosions across Lebanon A view of Beirut’s skyline after hand-held radios used by Lebanese armed group Hezbollah detonated across Lebanon's south and in Beirut suburbs,

In a series of escalating incidents in Lebanon, home solar energy systems exploded in several areas of Beirut on Wednesday, causing additional casualties and injuries. This surge in explosions follows a series of deadly blasts involving electronic devices used by Hezbollah.