听力原文： Seven members of an extreme right-wing terrorist group involved in a plot to send letter bombs to addresses in London were arrested following a series of raids by armed police in Denmark. A Danish police officer was shot and wounded during one of the raids. The targets in London are understood to have been two right-wing activists and a journalist. Three letter bombs, disguised as videotapes, believed to have been made in Denmark, were also intercepted in Sweden. Six men and a woman, all aged between 20 and 22, were arrested. To whom were the letter bombs intended to send?