The USGS 1:200,000 topo shows a Younine, no Yammouni, in that area.
Same deal for various Gazetteers.
When IDF reports it, I'll believe, for now, the question mark has to remain attached.
"The USGS 1:200,000 topo shows a Younine, no Yammouni, in that area."
Yammouni may be a variant spelling. I located it on a list of Lebanese towns and cities.