Greek betting firm OPAP has delayed the planned launch of its video lottery terminals, saying it needs more time to ensure the machines comply with new, tougher rules on machine-based gambling introduced by the current government. Greek PM Tsipras, Defence Minister Kammenos and General Kostarakos meet at the Defence ministry premises in this handout photo released by the Greek Defence Ministry in Athens Greek Prime Minister Alexis Tsipras speaks during a news conference as Defence Minister Panos Kammenos looks on in this handout photo released by the Greek Defence Ministry in Athens, Greece July 2, 2015.