Russia has given Ukraine ultimatum to surrender besieged Mariupol and lay down their arms.

In a statement, Russian Defence Ministry said it will open humanitarian corridors to allow non-armed civilians and personnel to escape the bombarded city if Ukrainian troops lay down their arms.

On the other hand, Ukraine has rejected the Russian demand.

In a video message, the Ukrainian Deputy Prime Minister Irina Vereshchuk said there can be no question of any surrender, laying down of arms.