sentences:  The latest agreement was signed in 1987… P26 cadres participated regularly in training exercises in Britain… British advisers — possibly from the SAS — visited secret training establishments in Switzerland.According to the account of the report from Richard Norton-Taylor, from "The Guardian", ""The activities of P-26, its codes, and the name of the leader of the group, Efrem Cattelan, were known to British intelligence, but the Swiss government was kept in the dark.