A visit to the colonel who commands the port ended when his secretary blocked the door to his office and scolded visitors.
The report says the science and technology committee also objected to David Blunkett, the home secretary, blocking MPs from talking to Home Office witnesses about the scientific response to terrorism.
Last week RWE, one of the big six energy companies in Britain, expressed frustration as Eric Pickles, the communities secretary, blocked planning for an onshore wind farm application in Yorkshire.
*Thursday: Admiral Lord Boyce, then the Chief of the Defence Staff, said that Geoff Hoon, then Defence Secretary, blocked him from ordering equipment and mobilising troops for several months because ministers did not want the secret plans to become public.
Sir Gus O'Donnell, the cabinet secretary, blocked an attempt by Gordon Brown before the general election to hold a judicial inquiry into allegations that the News of the World had hacked into the phones of cabinet ministers and other high-profile figures.
Anti-HS2 campaigners have accused the government of censorship after the transport secretary blocked the release of a sensitive report believed to undermine the case for the proposed high-speed rail network.
In a separate address to the Institute for Government this week, Maude went further than before in venting his frustration at the mandarin class, openly claiming some permanent secretaries blocked government policy, or ordered junior civil servants to do so.
More than 253,000 people signed a petition set up by Wales which called upon the home secretary to block O'Dwyer's extradition to the US.
Updated at 2.35pm BST 1.10pm BST Janis Sharp, Gary McKinnon's mother, has expressed gratitude to the home secretary for blocking her son's extradition to the US.
If his speech this week meant anything, the business secretary must block the deal to protect the media plurality essential to democracy.
