Heat sensors to stop 'deadly' asylum treks to Sweden
![Heat sensors to stop 'deadly' asylum treks to Sweden](http://www.thelocal.se/userdata/images/article/w468/7908a032d06d207d9c4ba80c2ba7d4178aed99b79833d951b75aab6ecaa862d4.jpg)
Police have caught 25 people trying to walk over the high-speed Öresund bridge that connects Denmark's capital to Sweden, so they've installed new heat sensors designed to trace asylum seekers attempting the risky journey.