BEIJING: National Security Adviser Ajit Doval on Saturday strongly condemned the terror attack on the Chinese consulate in Pakistan's Karachi city.

Three heavily-armed suicide bombers stormed the Chinese consulate in Pakistan's largest city on Friday, killing four people including two policemen, before being shot dead by security forces.

Doval expressed condolences over the attack and strongly condemned it as a terrorist act, said a Chinese foreign ministry statement issued at the end of the 21st round of Special Representatives' talks on the border issue held in China's Chengdu city on Saturday.

Doval and Chinese State Councillor and Foreign Minister Wang Yi led both sides at the talks.

In his remarks, Wang stressed that such attacks on diplomatic missions cannot be tolerated.

"Terrorism is a common threat facing all countries in the world. The international community should work together to advance counter-terrorism cooperation," the statement quoted Wang as saying.

He said both China and India are great ancient civilisations and the two largest developing countries and the most dynamic emerging economies in the world today.

"We share broad common interests and broad space for cooperation. Working together, China and India will accelerate the development of the two countries and make new and important contributions to world peace and human progress," he said.

Wang said that this year, President Xi Jinping had three meetings with Prime Minister Narendra Modi and termed the informal April summit between the two leaders at Wuhan as a milestone which had provided strategic guidance for the development of China-India relations.

Bilateral relations are showing a momentum of all-round improvement and development, he said.

It is necessary for the Special Representatives' meeting mechanism to keep up with this positive trend, demonstrate new atmosphere and new actions, push forward border negotiations constructively and create more favourable conditions and environment for bilateral relations, Wang said.

The Chinese statement also quoted Doval as saying that "a mutually acceptable solution to the boundary issue will send a positive signal to the outside world that the two ancient civilisations of India and China have the wisdom and capability to peacefully solve problems and disputes through dialogue and consultation".