Sergey Vyborov was on his way to the Moscow Metro's Aeroport station last September when police officers stopped him. The 49-year-old knew that taking the metro could spell trouble. During a protest against Russia's invasion of Ukraine, police had fingerprinted and photographed him. He'd already been detained four times in 2022. But he was rushing to his daughter's birthday, so he took a chance.

The International Wireless Communications Expo (IWCE), set to take place March 30 to April 3, will key in a number of industry topics, including 5G, FirstNet, drones, artificial intelligence, augmented reality, wearables and push-to-talk communications. IWCE will also feature a drone demonstration area and safe cities section. The event is designed for those in the critical communications industry, including first responders, police enforcement, fire departments and government. According to show organizers, more than 7,000 people are expected to attend the five-day event. IWCE will also include educational workshops, short courses, power sessions, keynote addresses, town hall meetings and networking events.