News in Pics, Sept 7: Best pics from around the world

A fireball rises following an air strike in Khan Yunis in the southern Gaza Strip. Credit: AFP Photo

A visitor watches an installation entitled

El Salvador prepares to use Bitcoin as a legal tender, in Santa Tecla. Credit: Reuters Photo

Colombian and Venezuelan authorities are evaluating the possibility of reopening the borders, unilaterally closed by Caracas since 2015. Credit: AFP Photo

A man on a paddle board surfs during sunset at La Torche, as a heat wave hits France, in Plomeur, Brittany, France. Credit: Reuters Photo

Canada's Liberal Prime Minister Justin Trudeau campaigns in Brantford. Credit: Reuters Photo