Bundeswehr  snipers with Heckler & Koch G36 assault rifles, the   weapon of choice for German soldiers, Mexican drug barons and Islamic State terrorists. Photograph: Reuters

When Chancellor Angela Merkel arrives in Brussels for today’s emergency summit, the German leader will press her European colleagues to tackle the con(...)

A man holds a gun at an exhibit of weapons at the China International Exhibition on Police Equipment in Beijing in this April 21, 2010 file photo. Photograph: David Gray/Reuters

China has become the world’s fifth largest arms exporter with 5 per cent of global trade, its highest positio(...)