A Cutler Bay charter school teacher was arrested for allegedly sending explicit pictures to one of his students, authorities said.
Investigators said Alberto Hernandez, 37, befriended a 17-year-old student during the winter break and started talking to him on WhatsApp.
The conversations became sexual, according to Miami-Dade Police. At one point, Hernandez allegedly sent the teen a picture of his genitalia.
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The student reported it to school officials, who called police.
"Our administrative team was informed of alleged inappropriate electronic communications between a staff member and student. We take these allegations seriously, and without hesitation, we contacted the Miami-Dade Police Department," school officials from Mater Bay Academy said in a letter addressed to parents."
School officials said the staff member was immediately terminated.
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"The safety and well-being of our students is our top priority," the letter read in part. "We are committed to maintaining a secure environment where our students are safe."
Hernandez was arrested Tuesday and charged with electronic transmission/harmful to minors, according to police.