Kosovo: Why is violence flaring between ethnic Serbs and Albanians?

The US says Serbia has sent a "large military deployment" of tanks and artillery to its border with Kosovo, and is urging its government to withdraw them.

This follows a clash last week between about 30 Serb gunmen and police officers in northern Kosovo.

The UK is sending 200 more troops to reinforce Nato peacekeepers in Kosovo.

Where is Kosovo and who lives there?

Kosovo is a small, landlocked country in the…