Elevated levels of harmful bacteria have been found at Wales’ first official river bathing site, warn public health officials.

Wild swimmers have been advised to stay out of the River Wye at The Warren, a pebble beach near Hay-on-Wye after high levels of E.coli and intestinal enterococci bacteria were found.

The site was granted official bathing status last month, compelling Welsh environment watchdog Natural Resources Wales (NRW) to monitor water quality at the site.