ʿAbdullāh b. ‘Amr – Allāh be please with them both – said:

It would be better for a person to be turned to dust than to deliberately walk in front of a person who is praying.

Ibn ʿAbd Al-Barr, Al-Tamhīd. Graded sahīh by Shaykh Al-Albānī in Sahīh Al-Targhībi wa Al-Tarhīb Vol. 1 p135.