A kayaker who went missing in the Merrimack River in Haverhill was found dead on Sunday, according to Massachusetts State Police.

Multiple fire and police departments conducted a joint search effort Sunday afternoon and evening after an adult male kayaker went missing in the Merrimack River.

Then at around 6:30 p.m., Haverhill firefighters found and recovered the man’s body.

State Police detectives assigned to the Essex County District Attorney’s Office have responded to the scene to conduct the death investigation, along with Haverhill Police and the State Police Crime Scene Services Section.

Multiple local agencies, the State Police Underwater Recovery Unit, and the Massachusetts Environmental Police assisted in the search operation, which began about 2 hours before the recovery.