The rally, being staged for the 57th time last year, regularly draws up to 200, 000 fans during the four days.

BBC: Rally organisers meet about crash

Also Friday, Afghan and coalition forces arrested about 10 insurgents during joint operations over last two days in four provinces of Afghanistan, including several Taliban fighters in Kandahar, the International Security Assistance Force said.

NPR: Fiery Afghan Bus Crash Kills 30, Taliban Blamed

The total of more than five million units purchased during the first three days in stores compares with four million iPhone 4S units sold during that device's premiere weekend last year.

WSJ: New iPhone Sellout Tests Apple Supply