India claims that five of its soldiers have been killed in Kashmir along the disputed border with Pakistan.
Indian media said the deaths came during an an attack on an Indian military post.
The incident comes as the two nuclear powers have been moving towards resuming stalled peace talks.
An Indian government minister said if Pakistan wanted to have better relations “this is not the way”.
Security officials in Islamabad have denied responsibility. One said there had been no exchange of fire or “any such incident”.
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