Authorities arrested at least 30 members of Palestinian militant group Hamas and seized rifles , ammunition and explosives , said the Shin Bet , the country 's security agency . NEW : Prime Minister Benjamin Netanyahu praises work of security services , military . Israeli security forces say they have set up a network planning the attacks . At least 30 Hamas members have been arrested , Israel 's security agency says . Intended targets include a football stadium and a light rail station , it says .
NEW : Prime Minister Benjamin Netanyahu praises work of security services , military . Israeli security forces say they have set up a network planning the attacks . At least 30 Hamas members have been arrested , Israel 's security agency says . Intended targets include a football stadium and a light rail station , it says .