An explosion targeting a gathering of Syrian opposition fighters near the border with Jordan, took place, Saturday, leaving 23 fighters killed and dozens injured
 
Syrian Observatory for Human Rights said that a violent explosion took place in the camp of so-called "Jaysh Al Islam" (Army of Islam), near Naseeb town on the border with Jordan.
 
The observatory said the blast was carried out by a suicide bomber, adding that the death toll would probably rise. Video footage sent by an activist from the area to Reuters showed at least 12 wounded.