http://www.independent.co.uk/news/uk/politics/election-watchdog-to-probe-tower-hamlets-count-delays-as-last-results-finally-announced-9442262.html
It's much more than 'count delays' that need probing.
/// Mr Rahman swept to power in 2010 and formed a cabinet made up entirely of Bangladeshi Muslims. ///
/// “But the intimidation at polling stations across this borough was appalling. There were four Bangladeshi men outside my polling station, all from Tower Hamlets First, and as you walked in there 11 people inside the polling station and they would pounce on you with a fake polling card in your face, calling on you to vote for Mr Rahman.” ///
What is happening in Tower Hamlets could happen anywhere in the country, this should be investigated fully and the appropriate action taken, but don't hold your breath, it will most likely all be swept under the carpet.