UPDATE 12:42 p.m. EST:
Pakistan officials say it is unlikely the any of the 48 passengers and crew on board the plane that crashed Wednesday survived. Thirty-six bodies have been retrieved by search crews so far.
Junaid Jamshed, a singer-turned-cleric and a national celebrity, was among the dead.
Pakistani Prime Minister Nawaz Sharif expressed his "deep grief and sorrow" over the crash.
A Pakistan International Airlines flight crashed into a mountain in northern Pakistan.
The crash site is about 45 miles northwest from the capital of Islamabad, according to senior police officer Khurram Rasheed. It is not clear if anyone survived the crash.
State-run media showed a huge fire rising from the crash site. The plane reportedly lost contact with the control tower shortly before the crash. ABC News reports the plane was headed to Islamabad from Chitral.
Pakistani musician and celebrity Junaid Jamshed was reportedly on the plane.
This image claims to show some of the wreckage.
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The Associated Press contributed to this report.