Senior Hamas official Saleh Al Arouri was among those killed on Tuesday night in an Israeli drone strike on Beirut's southern suburbs of Dahiyeh.
Arouri was a senior leader in Hamas's politburo and one of the founding commanders of its military wing, the Qassam Brigades.
Hamas confirmed Arouri's killing via the affiliated Al-Aqsa radio.
Lebanon's state news agency reported that the Israeli drone struck a Hamas office in Dahiyeh, leaving at least four people dead..
Lebanon's caretaker prime minister Najib Mikati condemned the explosion as a "new Israeli crime" and said it was an attempt to pull the country into war.


Netanyahu orders deeper Israeli incursion into Lebanon
Blast in Myanmar village reportedly kills 55 and injures dozens more
US military says it turned away blockade runner trying to reach Iranian port
Two hundred hurt in post-game violence as Paris hails second Champions League triumph
Illegal mine collapses in China, killing five just days after Shanxi disaster
