http://www.wired.com/beyond_the_beyond/2010/09/bombiles-inflict-cellphone-voodoo-on-assamese/ "‘I got a phone call from an unknown number and I noticed on my handset that the numbers were highlighted in red colour. Soon after I received the call, there was a loud sound and I was left unconscious,’ said Mujib Ali, the driver of a doctor in Guwahati."