Dozens of Christians 'including women and children' are arrested in Saudi Arabia -Islamist police force

28 people were arrested at home of Indian man in the eastern city of Khafji
Reports claim women and children were among the congregation
Human rights activists have appealed to the U.S. to help secure release
In Saudi Arabia it is against the law for Muslims to abandon their faith
By MATTHEW BLAKE FOR MAILONLINE
PUBLISHED: 08:57 GMT, 15 September 2014 | UPDATED: 11:25 GMT, 15 September 2014
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