PORT-AU-PRINCE, Haiti — A U.S. religious organization whose 17 members were kidnapped in Haiti asked supporters on Friday to pray and share stories with the victims’ families of how their faith helped them through difficult times.

Ohio-based Christian Aid Ministries issued the statement a day after a video was released 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.

“You may wonder why our workers chose to live in a difficult and dangerous context, despite the apparent risks,” the organization said. “Before leaving for Haiti, our workers who are now being held hostage expressed a desire to faithfully serve God in Haiti.”

The FBI is helping Haitian authorities recover the 16 Americans and one Canadian. A local human rights group said their Haitian driver also was kidnapped.