"Until recently the people were not able to understand the real meaning of this Hadith, but now the meaning has become quite clear to them. It is narrated by Sayyidina Abdullah bin Umar that:
"When the belly of Makkah will be cleft open and through it will be dug out river-like passage (i.e. tunnels) and the buildings of the Holy City of Makkah will rise higher than its mountains when you observe these signs, then understand that the time of trial is near at hand" (Kitab al-Fitan (1:43 no. 59) and Fath al-Bari (Kitab al-Hajj)).
Mufti Taqi Usmani then explains: