Pretoria - Dramatic cellphone footage has emerged of a hijacking attempt outside a Pretoria nursery school on Thursday morning. Netwerk24 reported that five men posing as police officers tried to hijack a Chinese couple driving a black BMW X5. The hijackers were dressed in police uniforms and drove a white BMW with a blue light. Shots were fired during the hijack attempt, which took place as parents were dropping their children off at the school. A parent at the school filmed the hijack attempt and loaded it onto YouTube. According to The Citizen, the incident happened at the corner of Rubenstein and Helois roads in Moreleta Park.An abandoned vehicle was later found in Tembisa, containing police vests and jackets, a blue light and two R5 rifles. Police believe it was used in the hijacking attempt, The Citizen reported.