TORONTO, May 9 /CNW/ - The following issues have been halted by Market Regulation Services (RS): Issuer Name: African Copper TSX Ticker Symbol: ACU Time of Halt: 9:16 EST Reason for Halt: Pending News Issuer Name: Uranium Participation Corporation TSX Ticker Symbol: U U.WT Time of Halt: 9:17 EST Reason for Halt: Pending News Issuer Name: Corriente Resources Inc. TSX Ticker Symbol: CTQ Time of Halt: 9:20 EST Reason for Halt: Pending News