Russian train blast hurls wreckage to sixth floor apartment
A fire on a freight train carrying a highly flammable chemical cargo has injured dozens of people in Russia.
The 71-car train caught fire as it passed through Belaya Kalitva station in the Rostov-on-Don region near the Ukrainian border.
The ensuing blast injured at least 50 people and sent wreckage flying six storeys high.
Lu Yang reports.