Russian Foreign Minister Sergei Lavrov accuses the Kiev authorities of breaking last week's Geneva accord on resolving the Ukraine crisis.
Boston marathon competitors observe a moment's silence ahead of the start of the race, in tribute to those killed and injured in a bomb attack last year.
Liverpool manager Brendan Rodgers says Hillsborough campaigner Margaret Aspinall inspired his team to victory at Norwich.
Red Bull's Daniel Ricciardo defuses a potential dispute with Sebastian Vettel over team orders at the Chinese GP.
As more and more people live past 100, how much older can we survive to, asks Frank Swain, and what is the secret to eternal life?
Dramatic scenes unfold as hungry emperor penguins face a leopard seal on the prowl in Antarctic waters. David Attenborough narrates.
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