Iran\'\'s Ambassador to Libya Ali-Asghar Nasseri has returned to Tripoli, Iran\'\'s news agency (IRNA) reported Thursday. Iranian Foreign Ministry Information and Press Office said the Ambassador returned to Tripoli on Tuesday to start activity in a new political atmosphere there after being recalled to Tehran in protest to brutal massacre of people by former regime. It hoped that the diplomat\'\'s presence will lead to deeper cooperation between Iran and Libya in line with mutual interests.