Islamabad- On directive of Federal government Pakistan Army has been deployed in national capital Islamabad’s security amid terrorism threats. As many as 250 army soldiers on Sunday were deployed in red zone, sensitive and most important areas of the city. The army has taken over internal security of the federal capital from Sunday, officials said. Army men have also been deployed on diplomatic enclave to prevent any terror bid. The army men also started patrolling Margalla hills. Sources said that the security was handed over to the army to thwart the possible backlash of military operation targeting militants in Waziristan. Following the breaking and entering of Sikh protestors into the parliament house, the interior minister had expressed dissatisfaction over the police security.