Vandals sabotaged France's telecoms networks overnight, piling pressure on French security services trying to secure the Olympics after authorities said they suspected left-wing groups of attacking rail lines ahead of the opening ceremony in Paris.

France is leaning towards the likelihood that far-left extremists were behind last week's sabotage of the country's SNCF rail network - which coincided with the Olympic Games opening ceremony - said Interior Minister Gerald Darmanin.

France goes to 2-0 in Group B after powering past Japan behind clutch play from Matthew Strazel and Victor Wembanyama.

Victor Wembanyama scored the first eight points of overtime as France held off Japan to remain unbeaten in men's basketball at the Paris Olympics.

Victor Wembanyama is one of the biggest stars at the Olympics, both physically and in terms of fame. BBC Sport takes a look at what he's all about

Battling Canada brought the Stade de France Olympic party to a shuddering halt when they stunned France 19-14 on Monday to set up a women's rugby sevens semi-final with Australia after Maddison Levi set an Olympic record as they beat Ireland 40-7.

Canada kept their Olympic medal hopes alive with a dramatic comeback win over hosts France on Sunday evening. Canada began the day on minus three points in Group A having been docked six points by FIFA over a drone-spying scandal.

Canada remains in the medal hunt in Olympic women's rugby sevens after downing host France 19-14 in Monday's quarterfinals.