When sudden strange lights make an appearance in the sky, people often link it to a UFO sighting. On Thursday evening, Kolkata’s sky was illuminated by mysterious lights for about five minutes. Naturally, social media users began speculating the cause behind this. The light was visible at around 5:50 P.M. according to social media posts. One Twitter user shared two snaps of the mysterious illumination. It almost looks like someone is hidden in the sky and has decided to turn on a torch. They wondered if this was a meteor. Check out the post here: The evening sky suddenly brightens…