He prayed then he heard the muezzin – should he repeat the prayer?

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Check below answers in case you are looking for other related questions:
Ruling on Muslim praying in the house of a Christian
Is praying in pants invalid?

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Related Answers:
How did the Sahaabah turn around during their prayer when news reached them that the qiblah had been changed?
Khushoo‘ (proper focus and humility) in prayer
He broke his wudoo’ in the first row and cannot go out of the mosque
Ruling on Muslim praying in the house of a Christian
Is praying in pants invalid?

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