The 21-year-old singer asked his admirers to stop risking their lives by pursuing him and fellow band members Liam Payne, Louis Tomlinson and Harry Styles in high-speed road chases.
Airing his frustration prior to their "On The Road Again Tour" show in Minneapolis, Minnesota, he told his 22.8 million Twitter followers: "Guys, I've said it before and I'll say it again. Ya can't keep driving this crazy, ya gotta be safe on the roads ! Seriously.
"This thing of chasing our cars down the freeway, it's not safe , changing lanes in a crazy manner at 65mph is not on b (sic)."