I have the same problem.<p>Managed to get the reset password mail (from second or third try), but it didn't work (account not found again).<p>UPD1 Hmm, now the account page is visible, but I can't login (it silently redirects to twitter.com page).<p>UPD2 Another recent discussion I found: <a href="https://www.reddit.com/r/Twitter/comments/50mesy/my_twitter_account_has_suddenly_for_no_reason/" rel="nofollow">https://www.reddit.com/r/Twitter/comments/50mesy/my_twitter_...</a><p>UPD3 "Some people may have briefly been unable to access their Twitter accounts. This issue is now resolved, thanks for your patience!"<p><a href="https://twitter.com/Support/status/771328578013241346" rel="nofollow">https://twitter.com/Support/status/771328578013241346</a><p>Not completely fixed here, though, still can't login.