During the afternoon of Friday, several media outlets in the U.S. reported that the leader of the Zetas, Heriberto Lazcano Lazcano, aka "El Lazca" had been killed in the city of Matamoros, Tamaulipas, this came after several clashesin the last hours. The Mexican government so far has denied the death of the Zeta leader, despite social networks reporting the death as true.
This from The Monitor:
"Sources close to The Monitor have confirmed that Heriberto "El Lazca" Lazcano Lazcano, the leader of the Zetas, was killed today in Matamoros after a gruesome firefight with the Gulf Cartel.
Since shortly after 2 p.m., firefights broke out throughout the city as the two forces clashed. Sources claim Lazcano was killed near Avenida Del Niño and Lauro Villar.
U.S. officials said they were on alert to any gunmen or Mexican residents attempting to flee the gunfire in Matamoros after a street battle broke out about a mile south of the Rio Grande.
A U.S. law enforcement official said they have similar information as to Lazcano's death, but had not confirmed whether it is true."
After several hours without formal confirmation of the incident Alejandro Poire, who is Technical Secretary of the National Security Council of Mexico, said that so far there is no information that the Lazca is between the dead from the battle in Matamoros.
However, Poiré did confirmed a clash between members of the Ministry of Defence and a group of sicarios and said that soon more information will be released concerning the situation.