Syria’s last rebel stronghold braces for major offensive

Dozens killed in blast at weapons depot in Idlib province as government prepares to launch major assault.

In Syria, dozens of people have been killed in an explosion at a weapons depot in Idlib province and the cause of the blast has yet to be determined.

It came as the Syrian government and its allies have been gearing up for an offensive to recapture that last remaining opposition enclave.

Al Jazeera’s Osama Bin Javaid reports.