US President-elect Joe Biden has alleged that agencies critical to US security have suffered "enormous damage" at the hands of the Trump administration.<br />''<br />''Mr Biden said his team is not getting the information it needed, including from the Department of Defence, as it makes its transition to power.<br />''<br />''He was speaking after a briefing by national security and foreign policy aides.<br />''<br />''Mr Biden takes office on 20 January but President Donald Trump has refused to accept defeat in November's election.<br />''<br />''For weeks after the election, Mr Biden was blocked from receiving key intelligence briefings, an essential and normally routine part of a presidential transition.<br />''<br />''Following Mr Biden's remarks on Monday, Acting Defence Secretary Christopher Miller said officials have been working with the utmost professionalism to support transition activities.<br />''<br />''<span style="color: #222222;">A spokesman said the Pentagon has been completely transparent with the Biden team.</span><br />