The attack took place in the city of Berdyansk in the east of the country. The attack was carried out by a group of young men.
The suspects are believed to be from the region. The victims are said to be young men from the area of Zaporozhia in eastern Ukraine. The attackers have not yet been identified, but police are looking into the possibility of a link between the attack and a bomb planted in a car. The incident is being investigated by the local police.