An investigation of operations at one of the Canada Border Service Agency's busiest ports of entry found instances of harassment, racism and homophobia, according to documents shared with CBC News.

The third-party review looked at the CBSA's Cornwall, Ont. office, which crosses into New York state and Akwesasne — a Mohawk Nation territory which encompasses islands in the St. Lawrence River and straddles the Canada-U.S. border.

"During the course of this review, which took place from March to June of this year, employees at the Cornwall port of entry told us they face many challenges while working hard every day to run the operation," said CBSA president John Ossowski in a memo to staff today.

"Many reported disturbing and unacceptable workplace behaviours including instances of racism, discrimination, abuse, harassment and preferential treatment."

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