This is how is was reported on RBC.  It says noweher that NOT requested the halt, and the NR from NOT explaining the halt makes clear that the halt was requested by the Exchange..

Market Regulation Services - Trading Halt - Noront Resources Ltd. - NOT

    VANCOUVER, March 18 /CNW/ - The following issues have been halted by Market Regulation Services (RS):      Issuer Name: Noront Resources Ltd.     TSX-V Ticker Symbol: NOT     Time of Halt: 9:26 EST     Reason for Halt: Pending News   For further information: contact - RS Inquiries (416) 646-7299 - (x) Please note that RS is not able to provide any additional information regarding a specific trading halt. Information is limited to general enquiries only. 

Noront Comments on Trading Halt
  TORONTO, ONTARIO, Mar 18 (MARKET WIRE) --   Noront Resources Ltd. ("Noront") (TSX VENTURE: NOT) advises that the trading halt requested by the TSX.V is unrelated to its Double Eagle project in McFaulds Lake area. The halt is pending news release relating to the Company's Windfall Lake project in Urban Township, Quebec.      Recently a number of shallow drill holes were completed in support of a geotechnical and hydrological study by Forage Abitibi under the supervision of Qualitas Monterval "Monterval" geotechnical sub contractor arranged by the company's contractor Genivar LP of Val d'Or, Quebec.      Assay results from these drill holes have been received and will be reported as soon as it can be prepared by the Company.      Investors are invited to visit Noront's IR Hub at http://www.agoracom.com/IR/Noront where they can post questions and receive answers or review questions and answers already posted by other investors. Alternatively, investors are able to e-mail all questions and correspondence to NOT@agoracom.com where they can also request to be added to the investor e-mail list to receive all future press releases and updates in real time.      ON BEHALF OF THE BOARD OF DIRECTORS:      R. Nemis, President and Chief Executive Officer