At least 20 weather-related deaths have been reported in Europe over the last week as an avalanche killed two snowboarders in Bulgaria.

The Bulgarian Red Cross said that the bodies of the pair were found at noon local time in the Pirin Mountains.

A statement from the organisation alleged the two triggered the avalanche that killed them after ignoring warnings and weather alerts.

Meanwhile, in eastern Switzerland, police said three people were slightly hurt when an avalanche hit a hotel at Schwaegalp on Thursday afternoon.

In Germany, the driver of a snow plough died on Friday after his vehicle toppled into an icy river.Albania’s Energy Ministry said a power company employee suffered a fatal heart attack while repairing damaged supply lines.

About 2,000 soldiers and other emergency workers in Albania were assigned to help people trapped by snow and to clear roads to restore access to rural areas.

Several municipalities in southwest Serbia have introduced emergency measures, warning of snow piling up on the roads and sealing off mountain villages, Serbian state TV reported on Friday.

Most schools in the area closed down and 10 people had to be rescued from their homes. Strong winds complicated the conditions for emergency crews.

In neighbouring Montenegro, meteorologist Dragan Buric said the first 10 days of January have been among the coldest in the country in decades.

“We have snow in January in the capital city (Podgorica) for the first time in nine years,” Mr Buric told Montenegrin state TV.

In the central Bosnian municipality of Kladanj, snow disrupted power supplies and cut phone lines. Zijad Vejzovic, from the local civil protection agency, said authorities declared an emergency.

“Because of heavy snow, in some parts over 1 metre-high, some of the roads have been blocked,” he explained. “We need more machines. We have run out of resources and money.”

In Germany and Austria, where heavy snow caused fatal avalanches and major disruptions in the past few days, the situation Friday was somewhat calmer.

Still, airlines cancelled around 120 flights at Frankfurt Airport and 90 at Munich Airport on Friday because of concerns about snow, German news agency DPA reported.

People clear a roof from snow in Lofer, Austrian province of Salzburg
People clear a roof from snow in Lofer, Austrian province of Salzburg (AP Photo/Kerstin Joensson)

Police in Lenggries, south of Munich, said the 48-year-old snow plough driver was rescued from the river after several hours and died in a hospital.

In the eastern German city of Chemnitz, all planned burials at the municipal cemetery throughout Monday were called off because of snow.

Austrian military helicopters on Friday flew a group of 66 German teenagers out of a mountain guest house where they had been stuck for several days.

In Salzburg, all parks, public gardens, play areas and cemeteries were closed on Friday because of the danger of trees falling under the weight of snow.