India ? Indian Prime Minister Manmohan Singh claimed Monday there was a foreign link to bombings that bloodied two New Delhi markets, a veiled reference to Pakistan-based militants. But both nations sought to preserve the fragile detente that grew out of the recent quake disaster.

Pakistani President Gen. Pervez Musharraf condemned terrorism and pledged full cooperation in the bombing investigation, which came three weeks after an earthquake ravaged the disputed Himalayan region and helped draw the two nuclear rivals closer.

During a phone call Monday, Singh reminded Musharraf of “Pakistan’s commitment to ending cross-border terrorism, and said that he continued to be disturbed and dismayed at indications of external linkages” to the attack, said Sanjaya Baru, a spokesman for the Indian leader.

But Baru refused to provide any details about the purported foreign links to the bombs – or to single out Pakistan by name.

The two sides appear intent on maintaining the momentum toward peace gained since the Oct. 8 quake.