Osage County authorities are asking for the public’s help in finding a 67-year-old Lyndon man who has been missing since Sunday night.

A Silver Alert has been issued for Raleigh D. Heskett, according to an Osage County Sheriff’s Office news release.

Heskett, who also is known as “RD,” is 6-foot, 200 pounds, with a gray beard and mustache, the release said.

He was last seen at a Lebo gas station in Coffey County.

Heskett has a severe laceration to his right forearm that occurred Sunday night, with severe blood loss, Laurie Dunn, Osage County sheriff, said.

Anyone with information about Heskett is urged to call the Osage County Sheriff’s Office at (785) 828-3121 or Crime Stoppers at 1-877-OS-CRIME.