A fourth person on board escaped with minor injuries after the helicopter went down by a lake near Goteborg, Sweden's second largest city, police spokesman Varg Gyllander said. All four were police personnel, he said.
The cause of the crash was not immediately clear.
One hundred years ago today ended the most grueling of wars involving disgusting conditions for soldiers and at least 17 million deaths. We learnt nothing.
Russia has been developing an energy module on the basis of the megawatt-class nuclear power plant since 2010. The spaceship needs neither sunlight nor solar batteries