New Delhi, July 10 -- ATHENS - Vagia Nestora was 72 years old when she stepped outside on July 1 to try to put out a fire. The flames were coming from under the car that belonged to her daughter, Afroditi, a parliamentary candidate for the ruling New Democracy party in the northern city of Thessaloniki. The bomb had already done its work. Vagia Nestora died from injuries sustained trying to extinguish it.

Greek anti-terrorist police announced Friday that they had arrested three people in connection with the coordinated dawn attacks that targeted the homes and vehicles of three New Democracy politicians in Thessaloniki nine days earlier. The suspects' identities raised as many questions as they answered about who had organized Greece's mo...