Authorities arrest driver in 'abnormal' state after he crashes vehicle through barrier and into door of holy site while worshipers pray inside, Saudi state news reports

Only Saudi citizens and residents permitted entry to Grand Mosque, up to 6,000 a day at pre-booked times

Visitors can reserve a specific time and date in which to perform the pilgrimage, to avoid crowding and maintain social-distancing guidelines

After 2.5 million people visited Islam's holiest site in Mecca last year for pilgrimage, only between 1,000 and 10,000 to be allowed in this year by Saudi authorities

Pilgrims will be required to wear masks, observe social distancing during series of religious rites that are completed over five days in the holy city of Mecca and surrounding area

Pilgrim numbers reduced from annual 2.5 million to a select group of nor more than 10,00 who are being electronically monitored every step of the way for any COVID-19 symptoms

Hejaz Railway, built in early 1900s, ran from Damascus to Arabian Peninsula; brought hajjis to Mecca and Medina, moved military forces

Event normally draws around 2.5 million from across the Muslim world, but this year only 1,000-10,000 people residing in the kingdom will be allowed, after testing and isolation

New restrictions by Riyadh and Tehran disrupt Islamic prayer; Middle East sees over 3,000 cases, most of them linked to Islamic Republic

No cause immediately provided for incident involving chartered vehicle carrying Asian and Arab nationals