Police Chief David Brown blamed "snipers" and said three suspects were in custody while a fourth had exchanged gunfire with authorities in a parking garage downtown.

The gunfire broke out around 8:45 p.m. Thursday while hundreds of people were gathered to protest fatal police shootings this week in Baton Rouge, Louisiana, and suburban St. Paul, Minnesota.

A Vatican tribunal has declared it had no jurisdiction to put two journalists on trial for publishing confidential documents.

Zimbabwe is "undergoing a very difficult patch, economically, socially, politically and spiritually," church leaders said.

"I think all the churches want to save this church because here Jesus was born," Giammarco Piacenti said.

"I made the mistake of being too trusting," the archbishop wrote in a letter.