Ottawa Police say a 55-year-old man, who has worked as a choir director and music instructor in Ottawa, is facing a sexual assault charge.
The allegations stem from 2016 and 2017. An investigation began in early 2018.
Police say Uwe Lieflander, of Germany, is to be arrested on a warrant and charged with sexual assault upon his return to Canada.
Investigators believe there may be more possible victims.
Anyone with information regarding this investigation is asked to call the Ottawa Police Tip Line at 613-236-1222, ext. 5760.
Anonymous tips can be submitted by calling Crime Stoppers toll-free at 1-800-222-8477 (TIPS), or by downloading the Ottawa Police app.