A traveler prayed with a congregation, thinking the imam was also traveling, but then it became clear that the imam was completing the prayer. What should he do?
Machine translationRead the Arabic original
Question:
Honorable Shaykh, may Allah grant you success. He says: If a traveler enters one of the mosques at the rest stops along the roads and the people are praying, and he intends to shorten the prayer, but after two rak'ahs it becomes clear that the imam is completing the prayer, what should he do?
Answer:
He is required to complete the prayer following his imam. Yes.
Honorable Shaykh, may Allah grant you success. He says: If a traveler enters one of the mosques at the rest stops along the roads and the people are praying, and he intends to shorten the prayer, but after two rak'ahs it becomes clear that the imam is completing the prayer, what should he do?
Answer:
He is required to complete the prayer following his imam. Yes.
Source
قناة «العلامة الدكتور صالح الفوزان»، [795 -3022] صلى مسافر مع جماعة وظن أن الإمام على سفر، ثم تبين له أنه يتم، فماذا يصنع؟ — youtube.com
The Arabic text is a machine transcription of the audio recording.