evidence: Militants in northwestern Pakistan released video Thursday of an army colonel and his brother, a senior civilian security officer, showing them in captivity and requesting authorities help secure their freedom. [...] The fate of the other two hostages was not immediately known. The TTP sources claimed that they do not produce videos of civilian captives who are not associated with the Pakistani military and law enforcement agencies. [...] Taliban officials reject the Pakistani allegations, saying the TTP is not present in Afghanistan.