Human rights groups are calling on South Korea’s government to stop imprisoning conscientious objectors who refuse to participate in military service, including numerous Jehovah’s Witnesses who have served time over the years. South Korea’s Constitutional Court ruled Thursday that a section of the country’s Military Service Act is unconstitutional because it obligates conscientious objectors to participate in military service. Human rights advocates said this ruling could be the first step toward creating alternatives for Jehovah’s Witnesses and other groups that object to participating in the military. Representatives of the Jehovah’s Witnesses said that over 19,300 of the group’s members have...