Dissident republicans may be planning to use Joe Biden's visit to try and "grab a headline" with disorder and attacks on police expected on Easter Monday, an MP has suggested.
The PSNI has said it is braced for "public disorder" that could be used as "a platform to launch terrorist attacks" in Derry on Easter Monday.
Police have in recent years come under attack in rioting following Easter Monday commemoration events linked to dissident republicans in Derry.