Pistorius has been taken into police custody for shooting and killing a woman in his home, apparently his girlfriend. She has been named in various media reports as model and law graduate Reeva Steenkamp.
Beeld reported that according to a police spokesperson, her family were seen outside Silver Woods Country Estate where the shooting occurred.
Condolence messages streamed in on Twitter and Steenkamp's Facebook page from fans and friends, with many expressing shock and horror at her death.
“A life cut short too soon... praying for peace for both families...” a fan said on Steenkamp’s Facebook page.
“Heartbroken for Reeva Steenkamp's family and for Oscar Pistorius.This highlights how unsafe most South Africans feel...” former Miss South Africa Melinda Bam tweeted.
“To die at the hands of the one who loves you...mentally crippling for those who live to tell the tale! #ReevaSteenkamp #RIP," Dineo Ranaka tweeted.
Listen to police spokesperson Lieutenant Colonel Katlego Mogale confirm how they were alerted about the shooting and arriving on the scene.