Crisis in Ukraine

epa04186204 Armed men guard at the Kombikorm factory checkpoint, near Svyatogorsk town close to Slaviansk, Ukraine, 30 April 2014. Militants in Sloviansk are keeping dozens of hostages, including seven European military observers, who were detained in the city on 25 April while on a verification mission under the Organisation of Security and Cooperation in Europe (OSCE). EPA/IGOR KOVALENKO