Kathmandu. Amnesty International said on Monday that a Tanzanian human rights defender was rescued in Kenya before being taken across the border.Human rights defender Mashabaha Mashabaha Hamza is considered one of the staunchest critics of the violent crackdown by Tanzanian security forces during the October elections.According to opposition and rights groups, the human rights organization stated that approximately two people were killed during the security operation, which also involved internet shutdowns. The government has yet to release a report providing factual details about the crackdown.Amnesty stated that Hamza, who has been in exile in Kenya for nearly four years, was...