The July 1 attacks at dawn in the northern city of Thessaloniki targeted the homes and vehicles of three politicians from Greece's ruling New Democracy party

Police in Greece on Friday said they had arrested three people in connection to attacks this month that targeted ruling party politicians, killing a woman in a car explosion.

Hours later, two more people were held over a 2010 deadly firebomb attack that left three dead.

In the recent case, “three individuals have been arrested” by anti-terror police in Thessaloniki and the island of Crete, the police said in a statement.

The July 1 attacks at dawn in the northern city of Thessaloniki targeted the homes and vehicles of three politicians from Greece’s ruling New Democracy party with homemade gas canister explosives.