Mujahid (may Allah have mercy on him) said: Abu Dharr (may Allah be pleased with him) came and took hold of the knocker of the door of the Ka'bah, then said: I heard the Messenger of Allah (peace and blessings be upon him) say, with these two ears of mine: "There is no prayer after Asr until the sun sets, and no prayer after Fajr until the sun rises, except in Makkah." He said this three times.
Humayd al-A'raj is not strong, and Mujahid's hearing from Abu Dharr is not established; his words 'came to us' mean that he came to our town. And Allah knows best.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 4415