Twitter on Friday temporarily blocked IT Minister Ravi Shankar Prasad's account for alleged violation of the US Copyright Act, a move that the minister slammed as being arbitrary and gross violation of IT rules. The account was subsequently unblocked after a warning. Prasad, in a series of tweets, slammed the microblogging site. "Friends! Something highly peculiar happened today. Twitter denied access to my account for almost an hour on the alleged ground that there was a violation of the Digital Millennium Copyright Act of the USA and subsequently they allowed me to access the account," Prasad said. Watch the full video for more details.