West Indies beat Ireland by 70 runs after New Zealand edge out Sri Lanka in a thrilling World Twenty20 opener.
The US and other countries are wrestling with a narcotic epidemic. Methamphetamine, aka crystal meth or a host of other names, gives dizzying highs but is acutely addictive and wrecks the body. So why do people do it, asks Louis Theroux.
The BBC's Gareth Jones filmed with the Queen's Dragoon Guards as they took on the Taliban in a Afghan village, on St David's Day.
President Obama's fresh approach to Afghanistan and Pakistan differed from the Bush era in both tone and content, reports the BBC's Kim Ghattas.
As more US troops prepare to go to Afganistan, President Barack Obama is set to announce a new Afghan strategy, reports the BBC's Adam Brookes.
BBC diplomatic correspondent Bridget Kendall asks whether the promise of warmer relations between the US and Russia could be blighted by the global economic crisis.
Servicemen and women from RAF Lyneham join a lantern parade to pay tribute to colleagues serving in Afganistan and Iraq.
BBC Security Correspondent Frank Gardner on al-Qaeda supporters' fears of a Taleban-Afghan peace deal.
The sister of a UK soldier killed in a suicide bomb attack on a convoy in Afghanistan did not want to go to the war zone, says his sister.
The BBC's James Rodgers uncovers a Moscow museum which highlights the way the city has been transformed in the last 20 years.
Should US deserters from Iraq be given refugee in Canada, the country that welcomed tens of thousands of Vietnam draft-dodgers?
A soldier repairing a tank was crushed to death because his regiment was not given the correct equipment, a coroner rules.
Pictures taken by people living and working in Afghanistan.
Pakistan's political crisis is affecting the morale of its troops engaged in fighting the Taleban, says columnist Ahmed Rashid.
Nazi-era board games are being auctioned this week, including a game in which points were given for bombing UK cities. But what were British children playing during WWII?
Your comments on Mark Mardell's diary about US efforts to persuade Poland and the Czech Republic of the merits of missile defence.
A soldier deployed in Indian-administered Kashmir describes braving the cold to intercept militants.
The homes of Nigerians are being lost to advancing sands from the Sahara at an alarming rate each year, the BBC's Senan Murray discovers.
BBC Europe editor Mark Mardell finds Turks wary of the Pope's historic visit and grapples with the religious row sparked by the pontiff's speech in Bavaria.
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