Question 340) - When the imam stands outside the Ka?bah in al- Masjid al-Haram and the people circle the Ka'bah and follow him, is their Salah valid?A: Yes.
~ al-Quduri ~
Question 339) - And one whose back faces the Imam?s face?A: His salah is not valid because he stood in front of the Imam.
Question 337) - If the Imam prays in the Ka'bah and a follower?s back faces the back of the Imam, is his Salah valid?A: Yes.
Question 338) - And if a follower has his face to the face of the Imam?A: It is valid but Makruh.
Question 336) - Allaah has made the Ka'bah the Qiblah which the Muslims must face in salah. is salah valid if prayed inside it?A: Yes, both Fard and Nafl will be valid.