There is a security fence running along the border between Israel and Lebanon, but often the fence does not mark the border line itself due to terrain difficulties. In some cases, internationally recognized Israeli territory is on the Lebanese side of the fence. In these circumstances, visits to this area for maintenance are coordinated with the UN in advance - as this visit was.
Egypt mediating between Israel, Hamas to restore quiet to Gaza Strip, sources say (Haaretz)
from the article: Israeli officer killed in clash on Israel-Lebanon border
'Quiet and regular daily routine are a mutual interest and we will strive to keep them,' IDF says.04:42 05.05.16 | 4 comments