Dhaka, Dec. 7 -- Tanzania's police have banned proposed rallies next week, following a violent crackdown by security forces on election demonstrations.

Polls on October 29 erupted into days of violent protests over claims that President Samia Suluhu Hassan had rigged the polls and was behind a campaign of murders and abductions of her critics. She was declared winner with 98 percent of the vote.

More than 1,000 people were shot dead by security forces over several days of unrest, according to the opposition and rights groups, though the government has yet to give a final toll.

Despite attempts to suppress information, anger within the east African nation has grown with some saying they will return to the streets on December 9.

In a stat...