Montreal, Canada
Katy Perry performs during her Witness: The Tour opener at the Bell Centre
Photograph: Kevin Mazur/Getty Images
Odessa, Ukraine
Activists clash with police as they storm the city hall demanding the mayor’s resignation following the deaths of three girls in a fire at a children’s camp
Photograph: Aleksandr Gimanov/AFP/Getty Images
Barcelona, Spain
Catalans take to the street after police storm several Catalan government ministries in an attempt to stop the region’s independence referendum on 1 October
Cox’s Bazar, Bangladesh
Discarded items of clothing in a Rohingya refugee camp
Milan, Italy
Camille Hurel, Kiki Willems and Mayowa Nicholas backstage ahead of the Alberta Ferretti show during Milan Fashion Week
Kolkata, India
A fibreglass model of the goddess Durga. It was created for the upcoming Durga Puja festival, which celebrates her victorious battle with the demon Mahishasura
Photograph: Rupak de Chowdhuri/Reuters