•The FTC prepares to sue Amazon over allegedly manipulating advertising prices through tactics such as a 'soft reserve,' with more than 20 states set to join the case.
•The FTC's lawsuit alleges Amazon has been 'secretly and systematically' overcharging advertisers for ads.
•A shooting at a rave at Aarau's horse racing track in northern Switzerland kills one person and injures several others, prompting a major police operation.
•Authorities identify the victim as a 22-year-old Italian woman, launch a manhunt for possible multiple shooters, and later arrest a 43-year-old Swiss man in connection with the attack.