An Israeli air strike targeted a senior Hezbollah commander in Beirut's southern suburbs late on Tuesday.
The Israeli military said it was in retaliation for a cross-border rocket attack three days before that killed 12 children and teenagers.
A loud blast was heard and a plume of smoke could be seen rising above the southern suburbs - a stronghold of the armed group Hezbollah - at around 7:40 pm (1640 GMT), a Reuters witness said.
A senior Lebanese security source said a senior Hezbollah commander had been the target of the air strike and his fate remained unclear.
Lebanon's state-run national news agency said an Israeli air strike had targeted the area around Hezbollah's Shura Council in the Haret Hreik neighbourhood of the capital.
Beirut has been on edge for days ahead of an anticipated Israeli attack in reprisal for the rocket strike on the Israeli-occupied Golan Heights on Saturday that killed the 12 youngsters in a football field in a Druze village.
Hezbollah has denied involvement in that attack.
As diplomats sought to contain the fallout, US Defence Secretary Lloyd Austin said he did not believe a fight was inevitable between Hezbollah and Israel, though he remained concerned about the potential for escalation.
Bangladesh Nationalist Party acting Chairman Tarique Rahman returned from nearly 17 years in exile on Thursday, a homecoming the party hopes will energise supporters with Rahman poised to be the top contender for prime minister in February.
At least 5 were killed and 35 others injured when a bomber detonated an explosive inside a mosque in Maiduguri, the capital of Nigeria's Borno state, during evening prayers, police said.
A helicopter has crashed on Tanzania's Mount Kilimanjaro, killing five people, the civil aviation authority said on Thursday, while local media reported that the aircraft was on a medical rescue mission.
Fourteen countries including Britain, Canada, and Germany have condemned the Israeli security cabinet's approval of 19 new settlements in the occupied West Bank on Wednesday, saying they violated international law and risked fuelling instability.
The US Justice Department has found more than a million more documents potentially tied to convicted American financier Jeffrey Epstein, delaying a full release for weeks while officials redact details to protect victims, the Department of Justice said on Wednesday.
Abu Dhabi's Department of Municipalities and Transport (DMT) has announced new rules allowing hotels and restaurants holding tourism licenses to welcome guests with their pets, like cats and dogs.
His Highness Sheikh Dr. Sultan bin Mohammed Al Qasimi, Supreme Council Member and Ruler of Sharjah, has directed that all imams and muezzins in mosques across the emirate be placed under the Sharjah government’s general staff system.
Dubai Police are inviting community members to play a starring role in the city’s world-famous New Year’s Eve celebrations, by volunteering to support police operations.