The headquarters of the Popular Front for the Liberation of Palestine – General Command (PFLP-GC) was the target.

Via Times of Israel:

Israeli fighter jets bombed targets south of Beirut early Friday morning in what the IDF spokesperson said was retaliation for rocket attacks against northern Israel the day before.

According to the Israeli military, the pilots reported a pinpoint strike on their targets in the coastal town of al-Naameh. The IDF reiterated that it holds the Lebanese government responsible for Thursday’s rocket fire into northern Israel.

There were no immediate reports of casualties or the precise nature of the targets struck.

Residents of Beirut took to Twitter reporting the sound of explosions and what they believed were Israeli aircraft overhead the neighborhood of al-Naameh, approximately 15 kilometers south of the Lebanese capital. According to several users, the target was believed to be the headquarters of the Popular Front for the Liberation of Palestine – General Command (PFLP-GC).