Finland is continuing to heat up this summer - and nearing the all-time heat record for June.

Climate change and ice-free Arctic seas are contributing to milder temperatures in Finland.

Conditions will heat up with every passing day and weekend highs will be in the 20s across the country.

Researcher Sirpa Lehtinen from the Finnish Environment Institute (Syke) said that cyanobacteria exist in seawater all year round, but intense heat causes them to multiply quickly.