Vladimir Putin
'Don’t make a statement in public here. It’s not safe'.
Former UN chief says Putin has identified UK as Europe's 'weakest link'.
'For Putin, this is return on his investment.'
'These childish actions show the lack of seriousness of the caller and those behind him.'
'How could this ever happen?'
The five things you need to know about politics today
Skripal reportedly wrote to the Russian president asking for 'complete forgiveness'.
Boost for Prime Minister in diplomatic stand-off with Putin.
Foreign secretary 'deeply concerned' about safety of England fans.