India-Pakistan row clouds summit :

The prime ministers of India and Pakistan are set to meet on the sidelines of a regional summit in Sri Lanka, amid a worsening political row.
Pakistan has denied allegations its spies helped bomb the Indian embassy in Afghanistan, and there have been renewed border tensions over Kashmir.
The row threatens to overshadow the South Asian Association for Regional Co-operation (Saarc) summit in Colombo.
Eight nations are meeting to discuss issues including terrorism and poverty.
Leaders from Bangladesh, Sri Lanka, the Maldives, Bhutan, Nepal and Afghanistan are involved in the talks, along with the Indian and Pakistani prime ministers.