<p><br /> David Cameron has entered No 10 as the first Conservative Prime Minister in 13 years.<br /> </p><p><br /> The Tory leader said he intended to form a "proper and full" coalition government with the Liberal Democrats.<br /> </p><p><br /> Arriving in Downing Street with his wife Samantha, he announced: "Her Majesty the Queen has asked me to form a new Government and I have accepted."<br /> </p><p><br /> A large crowd gathered outside Downing St, some booing while others cheered, as Mr Cameron arrived from his meeting at Buckingham Palace.<br /> </p><p><br /> Mr Cameron paid tribute to Gordon Brown for his "long record of dedicated public service" and said that after more than a decade of Labour rule, Britain was "more open at home and more compassionate abroad".<br /> </p><p><br /> Looking ahead to the coalition he will form with the Lib Dems, he said: "We have some deep and pressing problems - a huge deficit, deep social problems, a political system in need of reform. For those reasons, I aim to form a proper and full coalition between the Conservatives and the Liberal Democrats."<br /> </p>