(CNN) -- The U.S. military and its allies hit ISIS targets in Syria and Iraq this weekend. While the scope of the airstrikes was not yet clear, several targets were hit, and the strikes appear to have succeeded. Saudi Arabia and the United Arab Emirates assisted with attacks in Syria on Saturday and Sunday, including two near Dayr ar Zawr that destroyed an ISIS tank, one in northeast Syria that destroyed three armed vehicles and a Humvee and strikes on "four (ISIS)-held modular refineries and an (ISIS) command and control node north of" Raqqa, a U.S. Central Command news release said.
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NEW: Turkey's President said his country cannot remain on the outside of ISIS fight
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Success of weekend strikes in Iraq, Syria being assessed but appear successful, U.S. says
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Tank, safehouse, refineries and "command-and-control node" among targets hit, U.S. says
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Heavy fighting between ISIS and Kurdish troops In Kobani, Syria, food and supplies remain low, activist says
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ISIS forces appeared to slowly gain territory in their offensive to take over the Kurdish city and solidify ISIS control over the @placeholder border with Turkey.
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I can't imagine what will happen if @placeholder gets inside Kobani."
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Many residents had already left the city and have sought refuge in @placeholder, officials aid.
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A CNN team on the Turkey-Syria border that witnessed some of the fighting said @placeholder appeared to be pushing back toward Kobani's eastern front.
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He said @placeholder cannot remain outside the operation, signaling a change in his position towards cooperation.
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@placeholder had been reluctant so far to support the coalition against ISIS.