The US Justice Department sued to block Hewlett Packard Enterprise Co.’s $14 billion acquisition of Juniper Networks Inc., arguing the tie-up would harm competition in the market for enterprise wireless equipment used by large companies,

The U.S. Department of Justice has sued to block Hewlett Packard Enterprise's $14 billion deal to acquire networking gear maker Juniper Networks, arguing that it would stifle competition, according to a complaint filed on Thursday.

U.S. government regulators sued to block Hewlett Packard Enterprise’s $14 billion acquisition of rival Juniper Networks on Thursday, saying the combination would eliminate competition, raise prices and reduce innovation.