Pakistani police say an officer who was investigating a corruption case against the prime minister has been found dead in the country's capital, The Associated Press reported.

Senior police officer Bani Yamin says the body of Kamran Faisal was found hanging from a ceiling fan in his room at a government dorm in Islamabad on Friday, Jan 18.

Yamin says police are investigating whether Faisal committed suicide.

Faisal's death came days after the Supreme Court ordered the arrest of Prime Minister Raja Pervaiz Ashraf and 15 others in connection with an old corruption case the officer was investigating.

The prime minister was implicated in the case when he was minister of water and power. At the time, he oversaw the import of short-term power stations that cost the government millions of dollars but produced little energy.