主播大秀

The Mayor of Baltimore declares a state of emergency as violent clashes break out following the funeral of a man who died after being injured in police custody. Bill Vanko from Baltimore radio station WBAL tells us how the situation in the US state of Maryland has escalated over the past days and weeks.

At least 4,000 are known to be dead after a devastating earthquake in Nepal. As the relief operation enters its third day, we hear how volunteers have joined the search for survivors over the internet. Patrick Meier, Director of Social Innovation at the Qatar Computing Research Institute explains the concept of 'digital humanitarians'.

We look at the significance of of the new US and Japan military co-operation agreement - the rules would allow Japan to take on a more assertive military role.

From Boston, we are joined by Nina MacLaughlin, a journalist who quit her job to become a carpenter and has written all about her experiences. From Singapore, we are joined by David Kuo of the Motley Fool.