Olexiy, former Chernobyl operator
'It seemed to me it had to be a mass grave'

Oleg, power station worker
'It's depressing - soon my job will cease to exist'

Igor, thyroid surgeon
'The closer to the Chernobyl region, the more cases of cancer'

Hanna, Chernobyl evacuee
'We took nothing with us but our souls'

Lena, local mother
'I was in the wrong place at the wrong time of my pregnancy'

Mykhailo, leukaemia patient
'Finding the money for medicine is difficult here'

Grieving Ukraine recalls disaster
As ceremonies mark the Chernobyl disaster in 1986, people in the region find it hard to forget and hope the world will remember.

Ukraine marks Chernobyl blast
Ceremonies in Ukraine mark the world's worst nuclear disaster at the Chernobyl power plant in 1986.

Q&A: Chernobyl 20 years on
BBC staff and outside experts answer your questions about the Chernobyl disaster.

On This Day: Nuclear accident
The Soviet Union acknowledges there has been an accident at the Chernobyl nuclear power plant in the Ukraine.

Chernobyl nightmare revisited
The accident at the Chernobyl nuclear power station left millions of people in fear of the unknown.

Chernobyl's unsettling legacy
Bridget Kendall returns to Chernobyl 20 years after the nuclear disaster to find an eerie and unsettling view.

Greenpeace rejects Chernobyl toll
Greenpeace says a UN report grossly under-estimated the health effects of the Chernobyl nuclear disaster.

Radiation impact still undecided
Why the full impact of the world's worst nuclear accident is still unclear, 20 years after the disaster.

Gorbachev weighs the legacy
Former Soviet leader Mikhail Gorbachev gives an account of the Chernobyl nuclear disaster and reflects on its lessons.

BBC reporters: Chernobyl diary
A BBC News website reporter and photographer send despatches from Ukraine as they gather material on Chernobyl.