Edited sentence: Since 1991, the annual Abbots Langley carnival has seen 24 cases of malicious knife attacks resulting in three fatalities and 20 serious injuries.The annual Abbots Langley carnival attains a selection of hand-made floats, a fun fair and food and games stalls.The carnival usually happens in early June on a Saturday, however it has been criticized for the caliber of the attendees including many travelers that intensifies the atmosphere of the event sometimes initiating mass brawls, riots and looting, thus creating many social problems for the area