Calgary police say they are investigating anti-refugee graffiti messages as a hate crime.
They believe two men are responsible for spray-painting the messages on some light-rail transit train platforms and ramps last week.
Police say the culprits also tagged several vehicles in a parking lot.
They say all the messages were hostile to refugees, some specifically to Syrians.
The city has said it is expecting 1,300 Syrian refugees to arrive in the coming weeks.
Both suspects are described as Caucasian, in their 20s to early 30s and about five-foot-ten to six-feet tall.