It is narrated from Simak Hanafi, who says: I heard Ibn Umar (may Allah be pleased with him) saying that the Messenger of Allah (peace and blessings be upon him) performed prayer inside the House of Allah (the Ka'bah). Soon, some people will come who will prevent you from performing prayer inside the House of Allah. Sayyiduna Ibn Abbas (may Allah be pleased with him) was sitting nearby; Sayyiduna Ibn Umar (may Allah be pleased with him) pointed towards him and said: You will hear the same thing from him as well.