At least 17 people were injured, some of them seriously, when two cars collided and ploughed into the crowd during a racing event in Stevenage, England, on Thursday evening.
As seen on the footage posted on social media, one car was turning onto the main road while another vehicle passed by at a very high speed, causing a collision and ending up in a group of spectators.
Netizens have shared their reactions to the incident, some of them stressing the fact that such amateur racing events pose a serious risk to spectators.
Others have urged people attending such racing events to be more cautious.