LONDON, Sept 2 (Reuters) - Britain insisted Russia must
explain why a critic of Russian President Vladmir Putin has been
poisoned with a nerve agent of the Novichok family and said it
is unacceptable that the chemical weapon has been used again.
Toxology tests of blood samples from Alexei Navalny
conducted at a German military laboratory produced what Germany
called "unequivocal evidence" that he was poisoned with
"The Russian government has a clear case to answer. It must
tell the truth about what happened to Mr Navalny," British
foreign minister Dominic Raab said in a statement.
"It is absolutely unacceptable that this banned chemical
weapon has been used again, and once more we see violence
directed against a leading Russian opposition figure."
Britain says Russia used Novichok to poison former spy
Sergei Skripal and his daughter in the British city of Salisbury
(Reporting by Andrew MacAskill; editing by Stephen Addison)