Chernobyl survivors recall battle against invisible foe
A Chernobyl survivor who helped clean up after the world's worst nuclear disaster recalls the hardest part was convincing people of the danger they faced.
nuclear accident
Strikes kill at least 16 on Chernobyl anniversary
At least 16 people have been killed by strikes in Ukraine and Russia on the 40th anniversary of the Chernobyl nuclear disaster.
Ukraine warns of critical situation at nuclear plant
Russian shelling prevents restoration of a power line needed to cool reactors and prevent a meltdown at Europe's biggest nuclear plant, Ukraine warns.
When the Geiger counter beeps, here’s what happens next
Firefighters say no-one has asked them about the coalition's nuclear power plan but fear they could pay with their lives in the event of a disaster.
disaster and accident
emergency incident
environmental issue
environmental pollution
hazardous materials
health
nuclear accident
Radioactive capsule hunt a tough gig
A high-stakes hunt for a capsule of radioactive material won't be easy or quick, experts say.
Fighting intensifies in eastern Ukraine
Russian President Vladimir Putin has celebrated seizing territory in Ukraine as his forces press forward with air and ground attacks in the country's east.