Upsurge in tensions between Russia, Ukraine

Russia has warned that it could break diplomatic relations with Kiev following alleged security incidents in Crimea.

Lena Savchuk 
Press TV, Kiev

Russia has warned that it could break diplomatic relations with Kiev following alleged security incidents in Crimea. Russian Prime Minister Dmitriy Medvedev has accused Kiev of committing crime against Moscow. But Ukraine has vehemently denied the allegations. Our correspondent Lena Savchuk has this report on the upsurge in tensions between the two governments.