As tensions between Ankara and Damascus rise over the downed fighter jet, Turkey has sent tanks and other armored vehicles to the Syrian border, amid belligerent threats of retaliation.
The heavily guarded convoy that departed from the city of Diyarbakir reportedly included 15 armored tanks, long-distance guns and other military vehicles, Dogan news agency reports...
http://www.rt.com/news/turkey-deploys-tanks-syria-831/