A Fukushima prefectural police helicopter transporting a heart for transplant crash-landed Saturday in the northeastern Japanese prefecture, injuring all seven persons on board, including one seriously, authorities said.Three police officers, two technicians and two medical workers were on board the aircraft when it came down in a rice field in the city of Koriyama. It was taking the heart from a Fukushima hospital in the city of Aizuwakamatsu to the prefectural airport, local police said.One of the medical workers has been seriously hurt but the injuries are not life-threatening, the polic…READ FULL ARTICLE