Miller stated that the United States would consider other options and some US lawmakers were advising against recognizing the results of the Feb 8 elections until the proposed investigation is completed.
According to the latest tally by the Election Commission of Pakistan (ECP), results from 253 National Assembly constituencies had been announced as of Saturday afternoon, out of a total of 266.
Khan's Pakistan Tehreek-e-Insaf (PTI) defied a months-long crackdown that crippled campaigning and forced candidates to run as independents to emerge as the winners of the vote.
Khan — who is currently in prison — and his Pakistan Tehreek-e-Insaf (PTI) party were blocked from running in the election, so the supporters of Khan had to run as independents.
The main battle was between former prime minister Nawaz Sharif's party and candidates backed by ex-prime minister Imran Khan. Both declared victory separately.