‘Abdullâh b. ‘Amr – Allâh 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 ‘Abd Al-Barr, Al-Tamhîd. Graded sahîh by Shaykh Al-Albânî in Sahîh Al-Targhîbi wa Al-Tarhîb Vol. 1 p135.