https://cdnph.upi.com/ph/st/th/1141781097421/2026/upi_com/bf280f9f92fcc0dd2e6ec12b993ca728/v1.5/12-killed-in-Johannesburg-mass-shooting.jpg" /> Police in Johannesburg, South Africa, are looking for at least 10 people who carried out a mass shooting attack that killed 12 people Tuesday night.