Narrated Ibn Juraij:
Ikrima bin Khalid asked Ibn 'Umar about performing 'Umra before Hajj. Ibn 'Umar replied, "There is no harm in it." 'Ikrima said, "Ibn 'Umar also said, 'The Prophet had performed 'Umra before...
O Allah, I seek refuge in You from the punishment of the grave, and I seek refuge in You from the trial of the False Messiah, and I seek refuge in You from the trials of life and death. O Allah, I seek refuge in You...
-> Read More Info: Al-Bukhari 1/202, Muslim 1/412.