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.
More top news
The social network has partnered with France's Eutelsat to build AMOS-6, due for launch in 2016.
High levels of immigration to the UK are unsustainable and threatening the cohesion of society, Home Secretary Theresa May is to warn.
A homeless woman lay dead at a McDonald's for hours as oblivious diners ate around her.