MOSCOW, February 12 (RAPSI) – The Moscow City Court on Tuesday upheld extension of detention for another four Ukrainian sailors charged with illegal crossing of Russian borders, the court’s press service told RAPSI.

Therefore, Roman Mokryak, Andrey Oprysko, Yevgeny Semidotsky and Sergey Tsybizov will remain jailed until April 24.

Last Thursday, the court upheld detention of Ukrainians Sergey Popov, Bogdan Golovash, Vladimir Tereshchenko and Andrey Shevchenko also involved in the case.

On November 25, Russian border guard officers had to engage a weapon to stop unwarranted maneuvers of three Ukrainian ships in Russia’s territorial waters in the area of Kerch Strait. The ships were seized while 24 crew members were arrested. Three sailors were wounded.

Simferopol and Kerch courts ruled the sailors be detained. On November 30, all of them were transferred to Moscow.