One Month on the Shankill: Watch an extended eyewitness report as ITV News gains access to the Shankill Road loyalist community following the recent violence, as tensions rise over the Northern Ireland Brexit protocol.

The renewed tension in Northern Ireland could have far-reaching implications for the future of the United Kingdom - and post-Brexit relations with the EU.

For British Prime Minister Boris Johnson, rioting on the streets in Northern Ireland is a reminder that once the pandemic fades, the U.K. will have to face up to the long-term consequences of Brexit.