With heightened security measures, it is recommended that travelers arrive at the airports at least a few hours before their flight is scheduled to depart. (travelinsurancereview.net)
The party leaders were out early to cast their ballots amid heightened security at polling stations. (mirror.co.uk)
After the shooting, there has been heightened security on campus, as staff and law enforcement officers have kept a close watch on the school that houses 3,000 students. (miamiherald.com)