Iran's top nuclear scientist, Mohsen Fakhrizadeh, is assassinated near Tehran.

Mohsen Fakhrizadeh Mahabadi was an Iranian nuclear physicist and scientist. He was regarded as the chief of Iran's nuclear program.

Tehran is the capital and largest city of Iran. It is also the capital of Tehran province and the administrative center for Tehran County and its Central District. With a population of around 9.8 million in the city, and 16.8 million in the metropolitan area, Tehran is the most populous city in Iran and Western Asia, the second-largest metropolitan area in the Middle East after Cairo, and the 24th-most-populous metropolitan area in the world. Greater Tehran includes several municipalities, including Karaj, Eslamshahr, Shahriar, Qods, Malard, Golestan, Pakdasht, Qarchak, Nasimshahr, Parand, Pardis, Andisheh and Fardis.

November 27 is the 331st day of the year in the Gregorian calendar; 34 days remain until the end of the year.