In case you're reading the news and looking for a definitive source, here's the text from the convenor of the negotiations:
Note that Israel chooses a different interpretation: "The two-weeks ceasefire does not include Lebanon".
@glent Israel is always in breach of ceasefires

@Ex_spurt I was keeping my editorial out of the facts.

Hampering negotiations and ceasefires is a well-trod path by Israel. During the last international negotiations in the region Israel bombed Qatar, with whom Israel had just signed a peace agreement.