Video narrated by British jihadist fighter emerge from Syrian frontline . Shot by al-Nusra group after capturing city in north-western province . Man can be heard claiming to have 'liberated ' the city from 'oppression ' Syrian government carried out Ten airstrikes on city day after it was shot .
Video narrated by British jihadist fighter emerge from Syrian frontline . Shot by al-Nusra group after capturing city in north-western province . Man can be heard claiming to have 'liberated ' the city from 'oppression ' Syrian government carried out 20 airstrikes on city day after it was shot .