David E. Sanger reports: A cyberattack forced the shutdown of one of the largest pipelines in the United States, in what appeared to be a significant attempt to disrupt vulnerable energy infrastructure. The pipeline carries refined gasoline and jet fuel up the East Coast from Texas to New York. The operator of the system, Colonial Pipeline, said in a statement late Friday that it had shut down its 5,500 miles of pipeline, which it says carries 45 percent of the East Coast’s fuel supplies, in an effort to contain the hack on its computer networks. Earlier Friday, there were disruptions along the pipeline, but it was unclear whether that was a direct result of the attack, or the company’s moves to proactively halt it. Read more on The New York Times.