Twitter was down on Wednesday evening as it was not responding for several users across the world. Tweeples in India and and South Asia were unable to refresh tweets. Over 2,200 users had reported the issue on Downdetector.com. The cause of the outage is not known yet. Earlier, Twitter, on 16 Oct, was down due to the changes it had made into its internal systems. In July, some high profile Twitter accounts was hacked in what seems to be a cryptocurrency scam.