Referee Chris Kavanagh and his assistant Nick Greenhalgh have not been selected for a Premier League game this weekend.

Wayne Rooney says "referees need help" after big mistakes were made during an FA Cup weekend with VAR.

After a weekend of FA Cup action without VAR, BBC Sport ask managers, fans and pundits whether the game needs technology - and what needs to change.

Abstract: The mobile robots possess immense application potential in planetary exploration, field investigation and other related fields. Adopting suitable movement modes in multiplex task scenarios ...