The Sri Lankan government said on Monday that its defense intelligence units are on high alert to the activities of Tamil Tiger rebels who remain active internationally although being defeated in Sri Lanka in May 2009. According to defense officials, Defense Secretary Gotabaya Rajapaksa told the troops in northern Mullaittivu, a former military stronghold of the rebel Liberation Tigers of Tamil Eelam (LTTE), that the rebel organization is not militarily powerful to fight locally. 'But its international links are still actively propagating the LTTE ideology and our intelligence units must be vigilant,' Rajapaksa said. He said pro-LTTE elements in some western countries are still trying to set up a transnational government carrying the LTTE's ideology. 'The Army have a different role to play in the post-war era to win the Tamil people's trust. The Navy's role today is to prevent the rebels, who are trained abroad, from entering the country,' said Rajapaksa, who was the mastermind for the military victory against the LTTE. The first Security Forces headquarters in Mullaittivu was opened on Monday. Rajapaksa said new police stations will be set up in Mullaittivu and electricity will be provided before the end of June. He said of the 280,000 Tamil civilians displaced by the final battles early last year, over 230,000 have been resettled to their ancestral villages in the north. 