Afghanistan President Hamid Karzai Thursday welcomed the announcement by the British Prime Minister that the UK force level in Afghanistan would be around 5,200 by the end of 2013. President Karzai welcomes the UK decision to withdraw troops from Afghanistan and said Afghan security forces are prepared to ensure security and protect their country, his office said in a statement today. The President called the Britain\'s announcement a timely decision for the security responsibilities to be transferred to Afghan forces.