"Luckily, I saw a soldier from the other side. That's when I realized 'whoa, where am I?'"
US envoy says Gebran Bassil offered to drop partnership with Shi’ite group, though former FM denies it.
They were killed when militants opened fire on an army checkpoint in the northwest area of Araman.
Talawi was described as a former member of the Islamic State group and leader of a cell behind the killing in August of three people in north Lebanon.
Since the explosion, Lebanon's police have arrested 25 people, including the port's head.
The Lebanese army and the security source said gunfire was exchanged.
Senior US official David Hale is expected in Beirut later on Thursday to stress the urgent need for financial and governance reforms, ending endemic corruption and bringing transparency.
Forming a government amid factional rifts has been daunting in the past.
But analysts said Hezbollah's role in the government's formation meant it might have difficulty convincing other states to provide urgently needed financial support.
If the matter had not been leaked to the media, he said, no one would have event notice, because the process had not gone on long enough to even constitute a delay.