The early morning strike came a day after another Israeli airstrike cut off a main highway linking Lebanon with Syria, leaving two huge craters on either side of the road.
Earlier on Oct 2, the militants destroyed three Israeli Merkava tanks with rockets.
The Israel military struck Beirut overnight and into this morning, issuing evacuation orders for Dahiya, the Hezbollah stronghold in the city's southern suburbs.
Tripoli is much farther north than the majority of Israel’s strikes, which have been concentrated in southern Lebanon and Beirut.