AI, drones and data: Defence giants splash record $4.1bn on tech start-ups

Investment in defence tech start-ups has reached a record high this year as the world’s biggest arms companies step up spending on new military technology. New figures from Dealroom show defence contractors including BAE Systems, Lockheed Martin and Airbus have participated in $4.1bn (£3bn) of venture capital funding rounds so far this year, the highest…