Chernobyl nuclear disaster: Ukraine marks anniversary

Ukraine is marking the 25th anniversary of the world's worst nuclear accident - at the Chernobyl power plant.

An explosion at one of the plant's reactors sent a plume of radiation across Europe and killed at least 30 people in its immediate aftermath.

A donors conference in Kiev, Ukraine, last week raised 550m euros (£486m; $798m) of the 740m euros needed to build a new shelter and a storage facility for spent fuel.

A donors conference in Kiev, Ukraine, last week raised 550m euros (£486m; $798m) of the 740m euros needed to build a new shelter and a storage facility for spent fuel....