Karachi bombing: A suicide attack on a motorcade carrying former Pakistani Prime Minister Benazir Bhutto kills 139 and wounds 450 more. Bhutto herself is uninjured.

The Karsaz bombing attack occurred on 18 October 2007 in Karachi, Pakistan; it was an attack on a motorcade carrying former Prime Minister Benazir Bhutto. The bombing occurred two months before she was assassinated.

The prime minister of Pakistan is the head of government of the Islamic Republic of Pakistan. Executive authority is vested in the prime minister-led and appointed cabinet, with the president of Pakistan serving as the nominal head of executive and state. The prime minister is often the leader of the party or the coalition with a majority in the lower house of the federal parliament, the National Assembly, where he serves as leader of the House. Prime minister holds office by virtue of their ability to command the confidence of the National Assembly. The prime minister is designated as the "chief executive of the Islamic Republic".

Benazir Bhutto was a Pakistani politician and stateswoman who served as the 11th prime minister of Pakistan from 1988 to 1990, and again from 1993 to 1996. She was the first woman elected to head a democratic government in a Muslim-majority country. Ideologically a liberal and a secularist, she chaired or co-chaired the Pakistan People's Party (PPP) from the early 1980s until her assassination in 2007.