Events leading to the exile and return of Pakistan's Nawaz Sharif

FILE PHOTO: Ousted Prime Minister of Pakistan, Nawaz Sharif, speaks during a news conference at a hotel in London, Britain July 11, 2018. REUTERS/Hannah McKay/File Photo

ISLAMABAD (Reuters) - Pakistan's three-time prime minister, Nawaz Sharif, is due to return home on Saturday after four years of self-imposed exile in London, his lawyer and party said.

Sharif, 73, first become prime minister in 1990. He was ousted in a 1999 coup, ending a second stint as prime minister, and went into self-imposed exile until 2007.