MOSCOW, Oct 15 (Reuters) - Russia"s Justice Ministry on Friday added Moscow Digital Media and RS-Balt, the legal entity of the Rosbalt media outlet, to its list of "foreign agents", the ministry"s website showed. The government uses the "foreign agent" designation to label foreign-funded organisations that it says are engaged in political activity. The term carries negative Soviet-era connotations and subjects those designated to extra government scrutiny.