Sunan Abi Dawud Book 2, Hadith 308
When one of you prays, he should pray facing the sutrah (screen or covering) and he should keep himself close to it. He then narrated the tradition to the same effect.
When one of you prays, he should not let anyone pass in front of him; he should turn him away as far as possible; but if he refuses (to go), he should fight him, for he is only a devil.
I saw 'Ata b. Yazid al-Laithi praying in a standing posture. So I went to him passing in front of him; he, therefore, turned me away. He then said to me: Abu Sa'id al-Khudri reported the Messenger of Allah (ﷺ) as saying: If anyone of you can do that he should not let anyone pass between him and the qiblah, he should do it.