Today British Prime Minister Gordon Brown will pledge for UK not to “walk away” from Afghanistan, The Guardian reports.

This week five British soldiers were killed by Afghan policemen and this fact definitely aroused the question whether British men should threaten their lives. “In a speech in London today, Brown will acknowledge growing doubts about whether the war is winnable or worth so many British deaths. He will promise to do everything possible to protect British troops,” the daily reads.

The Guardian mentions that according to the Channel 4 News/YouGov survey, 35% of public reckons the troops should be withdrawn immediately, while 20% support the UK military presence in Afghanistan “as long as Afghanistan's government wants them there.”