NEW : Military denies prime minister 's claim of a plot . Prime Minister Gilani says there are conspiracies to bring down the government . Husain Haqqani , the former Pakistani ambassador to the United States who resigned in November , is accused of writing a memo setting out the scheme . Comment: The prime minister 's remarks come amid widespread controversy over a leaked memo .
NEW : Military denies prime minister 's claim of a plot . Prime Minister Gilani says there are conspiracies to bring down the government . Comment: The prime minister 's remarks come amid widespread controversy over a leaked memo .