This Dutch 30 December 2019 video says about itself, translated:
Fire brigade divers rescued a deer from the Zuid-Willemsvaart canal in Den Bosch [the capital of North Brabant province] on Monday. The rescue in the middle of the city centre at Lock 0 attracted a lot of attention. In the meantime, according to Karo of the animal ambulance in Den Bosch, the deer has been released into a forest.
It was a young roe deer.