Police in Southern California said Tuesday they were seeking additional information about an incident last week that Twitter CEO Elon Musk said prompted him to crack down on accounts that track whereabouts of private jets — including his.In a statement Tuesday, police in South Pasadena said that the incident involved a member of Musk's security team, whose vehicle hit the car of a man he alleged was following him.Last week, in justifying his decision to ban the Twitter account @ElonJet, which publishes the location of his private airplane, Musk said that a "stalker" had used location information from the account to follow and confront a car carrying one of his children.Business Insider reporter Linette Lopez, who has covered Musk and Tesla for years, and ElonJet creator Jack Sweeney are among those still banned from Twitter.While parked, the man said another vehicle pulled directly in front of him, blocking his path, according to police."