Two sons of NASCAR and IndyCar team owner Roger Penske were arrested Thursday for an alleged break-in at the Nantucket Yacht Club after two women claimed they were assaulted in the club's parking lot, according to a report in The Inquirer and Mirror of Nantucket. According to the newspaper, Jay Penske, 33, the CEO of the digital media company PMC who owns the IndyCar racing team Dragon Racing, and his brother Mark Penske, 35, were arrested just before 2 a.m. Thursday on South Beach Street. According to a police report, the incident initially was reported as an assault and battery when two women approached police on Broad Street, claiming they had been assaulted by two men, later identified as the Penske brothers. Read more: http://espn.go.com/racing/nascar/cup/story/_/id/8252503/report-roger-penske-sons-arrested-nantucket