PoliticsInternational monitorsTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoPoliticsAnja Koch 03/22/2014March 22, 2014President Vladimir Putin has formally completed the annexation of Crimea by Russia. OSCE observers are set to enter Ukraine in a bid to reduce tensions in the crisis - but Russia will not allow them into Crimea.https://p.dw.com/p/1BUAkAdvertisement