By Bappa Majumdar and Kamran Haider - NEW DELHI/ISLAMABAD (Reuters) - Pakistan canceled army leave and redeployed some troops on Friday in a sign of rising tension with India.
The United States urged both sides to refrain from further raising tensions, already high after India blamed Islamist militants based in Pakistan for attacks on Mumbai last month that killed 179 people.
The latest strains followed media reports in Pakistan and India that "several" Indian nationals had been held in the last two days after bombings in the Pakistani cities of Lahore and Multan.
The foreign ministry in New Delhi warned Indian citizens on Friday that "it would be unsafe for them to travel (to) or be in Pakistan."
Prime Minister Manmohan Singh had earlier discussed tension with Pakistan during a scheduled meeting about military pay with the chiefs of the army, navy and air force, his office said.
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