Here is a concise original summary based on the information published by the source. Extreme heat warnings issued for parts of southern California The GuardianSoCal heat wave shatters multiple records, and the misery is far from over Los Angeles TimesHeat wave grips Southern California — here’s when cooler temps finally return KTLAOver 35 million people under alert for dangerous temperatures as October heat wave bakes California ABC News - Breaking News, Latest News and VideosHeat wave again breaks records in Los Angeles, Orange counties Los Angeles Daily News For the full context and any later updates, use the original source link.