but as usual: The Israeli military did not say what had caused the blast or exactly where it occurred.- if it realy didn't happen on the other side isr would from the start say it was in isr! Lebanese officials have opened an investigation in co-ordination with the UN Interim Force in Lebanon. Even US media say that!
U.S. says working on initiative to de-escalate Syria fighting, with focus on Aleppo (Reuters)
from the article: Four IDF soldiers hurt in explosion on Israel-Lebanon border