Ms Bhutto had just addressed an election rally in Rawalpindi when she was shot in the neck by a gunman who then set off a bomb.
At least 15 other people died in the attack and several more were injured.
Her career has been mired in charges of corruption, and counter-claims that the accusations were politically motivated. But it was still an outstanding career, which saw Bhutto become the first woman elected to lead a Muslim state. Earlier this year, she was named second most influential woman in the world – trumped only by Hillary Clinton, notes The Hindu.
A profile on the BBC tells how Bhutto came from a political dynasty (her father was executed in 1979 following a military coup).