Voters crush to mark their ballots in eastern Ukraine

People in the eastern Ukrainian city of Mairupol have headed en-masse to vote in today's referendum, ITV News' Senior Foreign Editor John Angier reports:


Two stage process. First register, then join crush for hours to vote inside. Multiple voting fraudsters will need real stamina #Mariupol


Crowds of thousands in the streets in #Mariupol waiting to vote. Pretty chaotic. Hard to see how they'll all get their turn today.


Friday's assault on the police station has hardened attitudes here in #Mariupol People telling us that waverers will now vote yes

Read: Separatists go ahead with Donetsk referendum


Cameron offers more Typhoons for Nato air mission

Britain will offer another two Typhoon warplanes to patrol the skies of eastern Europe amid continuing tensions with Russia over the Ukraine cris, David Cameron has said.