Police re-captured the administrative headquarters of the eastern Ukrainian city of Donetsk and have around 68 pro-Russian protesters in custody who are being questioned over the occupation.

John Angier @johnangier Follow Small part of large Russian force beseiging base of Ukrainian marines in Perevalne, Crimea. http://t.co/oXXu2mu2xn

The stand-off between Russian and Ukrainian soldiers outside Ukraine's infantry base in Privolnoye continues.

A convoy of at least 13 troop vehicles each containing 30 soldiers and four armoured vehicles with mounted machine guns are at the scene now. Pictures: Armoured vehicles pulls up at military base stand-off

The vehicles, which have Russian licence plates, continue to surround the base and are blocking Ukrainian soldiers from entering or leaving. ITV News are at the base, in the Crimea region, as the siege remains.

John Angier @johnangier Follow Russian soldiers vastly better equipped than the Ukrainian marines they surround at Perevalne, Crimea. http://t.co/DKnd2GWmND