Paris looking at Plan B if River Seine remains unfit for Olympic swimming

With three weeks to go until the Paris Olympics, organizers are making contingency plans as questions remain about the safety of the River Seine that is due to host open-water swimming events during the summer Games.

The latest testing results from monitoring group Eau de Paris released on Thursday raised some hopes, showing that water pollution levels in Paris’s River Seine have improved over the past week.

The concentrations of E.coli and enterococci bacteria were below legal…