Thousands of students from across Suffolk County were at police headquarters Monday to kick off "Police Week."

More than 700 students from 16 high schools were on hand to learn how police utilize K-9 units. Police officers also discussed the dangers of vaping.

"We have a lot of requests countywide for presentations both for parents and for students on vaping and e-cigarettes, it's huge," says Sgt. Kathleen Kenneally. "So we added a section for that. So we have one of our school resource officers talking to students about e-cigarettes and the consequences of putting other substances in that device and what can happen."

Over the course of police week, officers will meet with about 3,200 students from more than 30 elementary and middle schools.