KIEV. Feb 7 – Odessa's Prymorsky district court has arrested four self-lifting drilling rigs that belonged to public joint-stock company Chornomornaftogaz seized by Russia when it occupied Crimea.

According to the court ruling issued on January 27, a copy of which has been sent to Interfax-Ukraine, the rigs were arrested under a petition of the chief department of the National Police in Crimea and Sevastopol in the criminal case opened on December 14, 2015 over the unlawful movement of the rigs and their seizure.