Cameron reacts with caution

(England Twitter)-LONDON — It was the deepest part of the night here when U.S. President Barack Obama made his dramatic announcement.

UK Prime Minister David Cameron's office in Downing Street released an immediate statement, while their man woke up and got ready to face the nation. When he had got dressed he told the cameras: "This news will be welcomed right across our country." But he added a note of caution. "Of course, it does not mark the end of the threat we face from extremist terrorism. Indeed, we will have to be particularly vigilant in the weeks ahead.

British Prime Minster David Cameron also said the West would have to be "particularly vigilant" in the weeks ahead.

As he announced bin Laden's death, Obama said: "There's no doubt that al Qaeda will continue to pursue attacks against us. We must and we will remain vigilant at home and abroad.

British Prime Minister David Cameron congratulated U.S. President Barack Obama for the success of the Navy Seal operation that killed the terrorist leader in the Pakistan city of Abbottabad. He described the death of bin Laden as a massive step forward in the fight against extremist terrorism.

"Of course, it does not mark the end of the threat we face from extremist terror. Indeed, we will have to be particularly vigilant in the weeks ahead," said Cameron. "But it is, I believe, a massive step forward.

British Prime Minister David Cameron said bin Laden's death was a "massive step forward" in the battle against global terrorism.

"The news that Osama bin Laden is dead will bring great relief to people across the world," he said in a statement.

"Osama bin Laden was responsible for the worst terrorist atrocities the world has seen — for 9/11 and for so many attacks, which have cost thousands of lives, many of them British.