The Justice Department on Thursday sued to block the tie-up, a $14 billion deal that would join the second- and third-largest companies providing wireless networking solutions for large corporate customers.

The lawsuit said that the combination of businesses would eliminate competition, raise prices and reduce innovation.

The U.S. Justice Department has filed suit to block Hewlett Packard Enterprise Co.’s proposed acquisition of Juniper Networks Inc. for $14 billion. Officials submitted the complaint today to the U.S. District Court for the Northern District of California.