These CCTV images have been released by police in Calderdale of people they would like to speak.
Some of these people could be witnesses and have not necessarily committed a crime.
But police in Calderdale would like to speak to them.
If you know any of these people, call Crimestoppers on 0800 555111.
CLICK THE LINK ABOVE TO SEE THE PEOPLE WHO POLICE WOULD LIKE TO SPEAK TO.