The monitoring of human rights in Syria, based in Britain, said the explosion occurred in the region over the opposition in Idlib killing at least 15 people and tens injured.
The group said that the losses are thought to be dagaalyahaanada rebels and Turkish border guards ciddamada.
A suicide bomber reportedly belt from the bomb detonated on a vehicle traveling through a fighters near the border town of Atmeh.
Syria has accused Turkey to halt the flow of Shaabab and easier access to the resources they have in Syria along xududeeda.
There were also reports of heavy fighting in the northern city of Aleppo, where opposition fighters sent by a car bomb in Zahraa neighborhood controlled by the government.