Nusra Front

UN says hundreds killed since offensive by Russian-backed Syrian forces began in April

Strike in village of Deir Sharki reported to have killed seven members of one family

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At least 462 reported killed as bombardment of rebel-held enclave enters sixth day

Leader of group deemed ‘terrorist’ by Isis appears in video to announce new name

Islamist group’s leader says move means the US will not have an excuse to attack Syrians

Profile: Shooter’s past shadowed by FBI checks, domestic violence and intolerance

US will instead provide arms and equipment directly to rebel leaders fighting Islamic State

Latakia largely spared from conflict until now

Deaths included women and children who ‘did not follow orders’, state media says