That she borrowed a necklace from Asma' and then it got lost. So Allah's Messenger (ﷺ) sent some peoplefrom his companions in search of it. In the meantime the stated time for the prayer became due andthey offered their prayer without ablution. When they came to the Prophet, they complained about it tohim, so the Verse regarding Tayammum was revealed .Usaid bin Hudair said, "(O `Aisha!) may Allah bless you with a good reward, for by Allah, never did adifficulty happen in connection with you, but Allah made an escape from it for you, and broughtAllah's Blessings for the Muslims."