The Trilateral Contact Group for settlement in eastern Ukraine is to hold a session in Minsk.On the eve ,subgroup coordinators have met in Minsk ahead of the Trilateral Contact Group session. This was reported by the Belarusian Foreign Ministry .Earlier, the representative of Ukraine in the humanitarian subgroup Iryna Gerashchenko announced that the Ukrainian side first will raise a question of the release of hostages and will insist that this issue should become a major in the negotiations of the Normandy Four.