Syrian jets have bombed the province of al-Raqqa, which has been held by the Islamic State group, killing at least six people. It came after a long apparent truce between the extremist group and the government. Al Jazeera's Mohammed Vall reports. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/