It sounds like a Hollywood movie, but last month, a swarm of venomous spiders suddenly descended on festival-goers in the northeastern Indian town of Sadiya:
... on May 22, a team of life scientists from Dibrugarh University and Gauhati University arrived in Sadiya. Led by Dr L R Saikia, head, Department of Life Sciences, Dibrugarh University, the team camped in the trouble spot for two days and nights and collected specimens. "As of now, we cannot give a specific name. It's similar to the tarantula, but it could be a whole new species. There aren't any arachnologists in the northeast, so it will take us a while to identify it. But whatever the species, it is a highly aggressive spider. It leaps at anything that comes close. Some of the victims claimed the spider latched onto them after biting. If that is so, it needs to be dealt with carefully. The chelicerae and fangs of this critter are quite powerful; but it's too early to declare it a killer spider. In fact, we are yet to test its venom and find out the toxicity," says Dr Saikia.
Link - via TIME NewsFeed