French authorities are probing an alleged tampering incident involving a weather device, following unusual bets placed on the prediction market platform Polymarket.

The incident is the latest eyebrow-raising bet on Polymarket, as allegations of rigging and manipulation continue to haunt the popular prediction market site. <img alt="French police are investigating possible tampering with a weather monitoring device at Charles de Gaulle Airport in Paris after a Polymarket trader netted thousands of dollars thanks to an unusual temperature spike." src="https://npr.brightspotcdn.com/dims3/default/strip/false/crop/3799x2533+0+0/resize/3799x2533!/?url=http%3A%2F%...