Public health officials say two people in Southern California people have come down with dengue fever without traveling outside the United States, where the mosquito-borne illness is rare.

Storm Ciara has weakened but flood warnings remain in place in Wales and other parts of the UK, with heavy rain expected to cause further flooding and disruption.

An unprecedented outbreak of sea lice in Tálknafjörður has led to the loss, or the need to dispose of, at least one million salmon. “Nobody has seen anything like this before. There is a Norwegian veterinarian who has been working in Iceland because of this and he has never seen anything like this in his 30-year career,” Karl Steinar observed.

Alaskans are taking advantage of rare ice skating conditions on alpine lakes in Chugach State Park, with hundreds of people hiking into the backcountry to skate on smooth ice in the shadow of iconic peaks.

Train services between Inverness and Wick in Scotland have been disrupted after a sea wall protecting the railway line was damaged by stormy weather and high tides, with engineers currently assessing the extent of the damage.

Erratic temperatures led to the absence of tomcods, severely affecting local fishing.