مختصر صحيح بخاري
Mukhtasar Sahih Bukhari
Book of Battles
The presence of angels at the Battle of Badr
Narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Noble Prophet (peace and blessings of Allah be upon him) said on the day of the Battle of Badr: "This is Jibreel (Gabriel), holding the reins of his horse and equipped with the weapons of war (has come)."