WASHINGTON, Feb. 14 (Xinhua) -- At least 20 people were wounded in a school shooting on Wednesday in the U.S. state of Florida, according to local media.

The shooting took place at Marjory Stoneman Douglas High School in Parkland, just north of Miami.

According to aerial footages, students were seen running from the school, while emergency responders have arrived on site to deal with the situation.

According to Broward County Sheriff's office, the shooter is still at large, students and teachers remaining in the school are asked to stay barricaded.