The U.S. Immigration and Customs Enforcement agent, whose name was not released, was rushed to a hospital after being shot around 3:30 a.m., The (McAllen) Monitor reported.
"A special agent with ICE's Homeland Security Investigations was shot this morning while conducting surveillance related to an ongoing criminal investigation in Hidalgo County, Texas," ICE spokeswoman Nina Pruneda said in a statement. "The special agent was transported to a local hospital where he is currently undergoing surgery for a gunshot wound. Our thoughts and prayers are with the special agent and his family.
No suspects were immediately identified.