Sa`d reported that on the Day of Uhud I saw on the right side of Allah's Messenger (ﷺ) and on his left side two persons dressed in white clothes and whom I did not see before nor after that, and they were Gabriel and Michael (Allah be pleased with both of them)

Sa'd b. Abu Waqqas reported:I saw on the right side of Allah's Messenger (ﷺ) and on his left side two persons with white clothes on the Day of Uhtid fighting a desperate fight, and I saw them neither before nor after that