David and Nancy Writebol are missionaries for Charlotte-based S.I.M., a mission group that works with Samaritan's Purse in the Liberian capital of Monrovia.
Dr. John Munro, senior pastor at Calvary Church in south Charlotte, said Sunday that the church has sponsored the Writebol's missionary work since the 1990s.
"We are privileged to serve with them," said Dr. Munro. "They are an outstanding Christian couple."
Munro said he spoke to David Writebol, who relayed that his wife's condition was "grim."
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