海淀警方开展夏夜巡防清整行动，加强演唱会门票类诈骗防范宣传

Group 1 - The core viewpoint of the articles highlights the proactive measures taken by the Haidian police in Beijing to enhance public safety during the summer, particularly focusing on preventing telecom and online fraud [1][2] - The sixth wave of summer night patrols was initiated, emphasizing visible police presence and strategic deployment of patrol forces to effectively combat various street crimes [1] - The police conducted targeted anti-fraud campaigns at popular venues, such as the Wukesong area, where they focused on recent prevalent fraud types related to concert ticket purchases and online scams [1] Group 2 - A team of young police officers, referred to as the "New Police Anti-Fraud Team," received specialized training on fraud prevention, equipping them with knowledge about common fraud tactics and the characteristics of potential victims [2] - The new recruits actively engaged with the public, using relatable language and real-life examples to disseminate anti-fraud knowledge, showcasing their youthful energy and professional skills [2] - The initiative aims to foster a community-wide awareness of fraud prevention, encouraging citizens to take personal responsibility in combating fraud [2]