Syrian tanks entered the Golan Heights' demilitarized zone Saturday afternoon, just a few miles from IDF military positions along the Israeli border.
Israel filed a complaint with the United Nations as a result of the breach, and heightened its alert level in the area, ABC News reported.
However, ABC News speculated that "he relatively low-key response suggested Israel did not see the armor as an immediate threat."
On the other hand, according to GlobalPost's Israel-Palestine correspondent Noga Tarnopolsky, the fact that the Syrian army is using tanks in remote, rural areas is much noted by Israel.
"It is being interpreted here as a loss of control," Tarnopolsky said. "The IDF is very concerned about the growing threat from opportunistic terror groups and from various post-Assad scenarios."
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The tanks were identified near Beer Ajam village in the central Golan Heights, which are controlled by Syria. The move is the latest interference by Syria in the Golan, according to Ha'aretz.
This past July and September, the Syrian army fried mortar shells at rebel forces which landed in the demilitarized northern Golan Heights, Ha'aretz reported.
Syria's ongoing conflict has begun to spill over its borders into several of its neighboring countries, most notably Turkey, which has been flooded by Syrian refugees and the target of regular bombings, GlobalPost's Tracey Shelton reported.
More from GlobalPost: Syria: Conflict continues to spill over into Turkey
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