LONDON: Mystery hunters converged on a Scottish lake on Saturday to look for signs of the mythical Loch Ness Monster. The Loch Ness Centre said researchers would try to seek evidence of Nessie using thermal-imaging drones, infrared cameras and a hydrophone to detect underwater sounds in the lake's murky waters. The two-day event is being billed as the biggest survey of the lake for 50 years, and includes people from around the world watching the waters remotely on webcams. Alan McKenna of the Loch Ness Centre...