Texas Department of Public Safety officers on Thursday came under gunfire from the Mexican side of the Rio Grande in one incident on the South Texas border, and launched tear gas south into Mexico in another.
In a news release sent late Friday, the department said agents came under fire while en route to assist fellow officers who seized a raft with about 1,100 pounds of marijuana. The Texas Rangers returned fire and the shooters fled. The raft was abandoned, and its passengers fled back to the Mexican side. It is unclear how many alleged gunmen were present or the weapons they used.
Read more here: https://www.texastribune.org/2013/07/12/dps-fires-rounds-launches-tear-gas-across-border/