BAJAUR AGENCY (Agencies) - At least 14 militants were reportedly killed and several others injured when the security forces targeted hideouts of extremists and Taliban fighters at Tehsil Mamondon Monday. According to security officials, the security forces continued offensive against extremists and militants in various areas of Tehsil Mamond and targetted their positions. In Momond, the areas of Sheenkot, Metro Shah, Siparay and Damadola were shelled Monday afternoon in which 10 miscreants were killed. On Monday morning, the troops targeted the hideouts of militants at various areas of Mamond in which three militants died, the sources said. The security officials claimed to have destroyed several bunkers and dens of the miscreants. The writ of government has been re-established in most areas of Bajaur Agency and the law and order situation has considerably been improved. The routine activities in majority areas of Khar Sub Division are running as normal. Meanwhile, some unidentified terrorists have threatened to blow up US Private Company in jurisdiction of Shalimar Police Station F-10. The terrorists in an unknown letter to company besides threatening to kill its 5 employees have also directed administration to depute security guard as soon as possible.  "If you want your safety then must deploy security guard inside the building because with in one week the company would be blown up", letter said.  "The bomb can also be planted inside any vehicle of the company or motorbike, it said, adding that, there are five people in the company which can be killed any time and our eyes are on them round the clock". Another letter would be sent to company within one week of this if it were not reviewed, the terrorists said.  They further said it is not only threat we would do this. After receiving threat letter, the company has informed Shalimar Police Station who have started investigation. According to the 'sources, letter has been posted from Rawalpindi. Meanwhile, the Political Administration of Orakzai Agency Monday launched a crackdown and arrested at least 20 tribesmen accused of their involvement in abduction of six persons the other day. The officials of Political Administration told mediamen that the administration of Orakzai Agency has started drive against abductors of the hostages including two Levy personnel. It is worth mentioning here that some unknown militants in two different incidents kidnapped six persons including two Levy personnel in Ghiljo area of the agency on Saturday. In a bid to recover the kidnapped persons, the political administration of Orakzai Agency took prompt action and arrested 20 persons from the two tribes Rabiakhel and Aakhel and also taken into custody three vehicles under FCR. The officials of political administration told this news agency that action against the tribes would continue until the recovery of the abductees.