An Israeli airstrike targeted a car in southern Lebanon on Thursday, in a new violation of the ceasefire agreement, Lebanon's National News Agency (NNA) reported.
The strike hit a vehicle along the road linking Nabatieh and Shoukine, said NNA, without immediately providing details on casualties or damage.
Washington is set to host a second round of ambassador-level talks later on Thursday in an effort to reach a peace agreement.
The first round on April 14, the first talks in 43 years, resulted in a temporary ceasefire and an agreement to begin direct negotiations at a later stage.
Lebanon is seeking to extend a US-announced 10-day ceasefire, which expires Sunday, that has been repeatedly violated by Israel, according to Lebanese officials.