It is now reported that 43 people died after two gas explosions at a coal mine in Russia. Previously the toll had stood at 32.
The blasts at the Raspadskaya mine in western Siberia at the weekend have left dozens missing. It is not clear whether any of them are still alive.
Reports suggest the cause of the explosions was methane gas. More than 300 miners were underground when the first explosion happened just before midnight on Saturday.
Most people were brought safely to the surface, but those killed included rescuers who were underground when the second explosion happened.
Safety has been brought into question in many of Russia’s mines, and there have been calls for standards to be tightened.