Three people were killed early Friday in an Israeli airstrike on the city of Sidon in southern Lebanon.The state-run National News Agency (NNA) reported that three people were killed in the attack that hit an apartment in a multistory building."A hostile drone raided a residential apartment in Sidon, causing two successive explosions that led to a fire and extensive damage," reported NNA.Emergency workers rushed to the scene where they recovered "the bodies of three martyrs," the agency said