A Transportation Safety Board report into a huge cargo spill off Vancouver Island says it's concerned that gaps in Canada's preparedness for marine emergencies poses a risk to vessels, the environment, and public health and safety.

The TSB's investigation report says the spill of more than 100 containers and a fire aboard a container ship in October 2021 "raised questions about the availability and capability of Canadian resources" in emergencies.

It says Canada does not have a plan to respond to…