Fans in Kinshasa grew angry on Sunday evening after their local team was defeated 1-0 by a team from the eastern town of Lubumbashi in a heated final, according to the local minister for the capital's inner city.
"Four policemen were harassed by supporters. When they fired tear gas, the stampede began, causing the deaths," Emmanuel Akweti told Reuters.
Akweti said 15 people died of suffocation and 24 were injured.
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Sir Keir, who is a frontrunner in the race to replace Jeremy Corbyn, pulled out of events on Thursday, Friday and the weekend.
Fans said they are ‘gutted and upset’ the star has cancelled the first of 15 shows at London Palladium.
The Prime Minister thanked Benita Mehra for her commitment and said he was 'grateful for her sensitivity to the work of the inquiry'.