Finnish Foreign Minister Alexander Stubb said on Monday that he was astonished by Israeli attack on the aid flotilla heading for the Gaza Strip and condemned violence against civilians, Finnish media reported Monday. Stubb called for investigation on this event and noted that violence is not a solution to the situation in Middle East. Stubb demanded Israel open the boarder crossings to the Gaza Strip and allow in aid supplies. Israeli naval forces attacked the Freedom Flotilla on Monday, killing 20 activists on board and injuring more than 30. 