Believers pray for the release of the imprisoned
Acts 12:12 (ASV 1901)
12And when he had considered the thing, he came to the house of Mary the mother of John whose surname was Mark; where many were gathered together and were praying.
Troubled with the question of why they were saved while other believers gruesomely lost their lives in the 1900 Boxer uprising, Rosalind Goforth narrows it down to the power of united prayers by the saints on their behalf and to the sovereignty of God in allowing the shedding of the blood of His children as in both cases, His purposes were fulfilled.
On the night Zhang Rongliang was released from prison - where for years, he suffered terribly for his faith in Christ Jesus; he went straight Brother Li's house. On getting there, he found the brethren gathered and praying for his release - God had heard them; for there he was, in their midst again.
The believers in Zhengzhou were fasting and praying for Brother Yun's release from prison for more than a week. God answered their prayers dramatically.
An imprisoned pastor is tied to the stake and made an offer to deny Christ and be set free, or face execution. He turned down the offer, but instead of getting executed; that same day, ten years since his incarceration; he gets released. He got home and found his family and other believers, praying for him at the alter in church.