Police are continuing to appeal for information in relation to a series of hate crime incidents at the office of Dewsbury MP Paula Sherriff.
The incidents are said to have taken place between 2 and 3 July.
Officers have now identified a man whose image was circulated.
The man voluntarily attended a police station yesterday and has spoken with officers.
Enquiries remain ongoing into the incident and detectives are continuing to appeal for anyone with information to contact police.