A LAKE in a Conwy village has been given the all-clear after tests detected none of the potentially harmful blue-green algae in the body of water.

Natural Resources Wales (NRW) took test samples in Llyn Crafnant, near Trefriw, after receiving a report about the possible appearance of blue-green algal bloom in the water on Monday, September 6.

But a spokesperson for NRW said the following morning: "We have checked the site. If the blue-green algae was present at the weekend, then it appears to have dispersed now. Nothing (was) detected.

Blue-green algae produce toxins and can pose threats to the health of people and animals when exposed to it in large amounts.

They are particularly dangerous in warmer months, when their concentrations increase in the water to form blooms and scums.

Llanrwst Town Council put up tape and warning notices asking visitors to stay away from the lake until checks were completed by NRW, and to keep their pets on a lead and away from the water.