India, China troops clash at Himalayan border, 'casualties on both sides'

India's army said on Tuesday 20 of its soldiers had been killed in clashes with Chinese troops at a disputed border site, in a major escalation of a weeks-long standoff between the two Asian giants in the western Himalayas.China's foreign ministry confirmed there had been a "violent physical confrontation" on Monday in the border area.It made no mention of casualties but India's foreign ministry said there had been casualties on both sides.