HART, Mich. (AP) — More than 100 people gathered Sunday in a small Michigan town to pray for the safe release of a local family among 17 members of a missionary group kidnapped by a gang in Haiti more than a week ago.

The vigil in the western Michigan community of Hart took place after a video was released Thursday showing the leader of the 400 Mawozo gang threatening to kill those abducted if his demands are not met. Haitian officials have said the gang is seeking $1 million ransom per person.

Those at Sunday’s vigil in a town park sang and prayed with pastors from several area churches for the safety of the missionaries.

Among those kidnapped were four children and one of their parents from a family in Hart, a town near Lake Michigan about 200 miles (321.87 kilometers) northwest of Detroit, their pastor told The Detroit News. The youngest from the family is under 10, said minister Ron Marks, who did not identify them. They arrived in Haiti earlier this month, he said.