A retired Yakima doctor went missing in a downtown Kiev park Tuesday while on a trip to the Ukraine to help set up a lifestyle center for the Seventh-day Adventist Church, The Yakima Herald reports. 

The 77-year-old doctor, Jay Sloop, was recorded on surveillance cameras entering the park Tuesday morning while going on a morning walk, but he was not seen leaving the park, Zamkova Gora, a heavily wooded park in the city center of Kiev, according to The Herald. 

The Herald reports that about 80 church members and 30 students have assisted Kiev police in the search, along with members of the Sloop family.