The action was accordingly taken and nine out of 12 abducted Iranian personnel were rescued by the Pakistani forces, he said, and added that Prime Minister Imran Khan is scheduled to visit Iran on Sunday during which security issues will be discussed in detail.
Pakistan's relations with Iran are marked by close historic and cultural linkages and strong people to people exchanges, Pakistan Foreign Office said.
Pakistan Prime Minister Imran Khan Sunday arrived on his first-ever two-day official visit to Iran.
In March, Rouhani demanded Pakistan act "decisively against anti-Iranian terrorists", following a February 13 attack that killed 27 members of the elite Revolutionary Guards in Sistan-Baluchistan. "We expect Iran to take visible action against the elements who used its soil to carry out Thursday's terrorist attack in Balochistan", he said, and added that Afghanistan should also take action against anti-Pakistan elements operating from its soil.
The Sunni group Jaish al Adl (Army of Justice), which says it seeks greater rights and better living conditions for the ethnic Baloch minority, claimed responsibility for that attack.
Briefing about the measures taken for improved border security, Shah Mehmood Qureshi said Pakistan has set up a new southern command that is based in Balochistan's Turbat area.
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Catholic priest Father Joseph Gormley, who read the last rites for McKee, told BBC radio: "This rioting was clearly orchestrated". CCTV footage released by the police on Friday shows McKee standing in a crowd of civilians next to police vehicles.
Foreign minister Qureshi also called on Afghan authorities to act against Baluch fugitives, saying Pakistan has "concrete" evidence the militants also are using the neighboring country's soil to plot cross-border terrorism.
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"The most important reason why I'm here, Mr. President, is because I felt that the issue of terrorism was going to ... increase differences between our countries", Khan said during the joint news conference.
Iranian foreign minister Javad Zarif condemned the attack, saying enemies of Pakistan-Iran ties were responsible for it.
The Pakistani foreign minister said the two sides agreed to bolster security along their common border of more than 900-kilometers to stop terrorist infiltration in either direction.
Islamist as well as ethnic Baloch separatists operate in Balochistan, Pakistan's poorest province.
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"It is a vast area and the control over the area is hard, it makes it easy for groups to be active on both sides", he said.
He also said that Iran is ready to sell oil to Pakistan.
Prime Minister Imran, who is in Iran on a two-day official visit, was earlier presented with an official welcome upon his arrival at the Saadabad Palace.
He will also meet members of the Iranian and Pakistani business community in Iran.
Khan's visit to Tehran comes months after Saudi Crown Prince Muhammad bin Salman pledged $20 billion in investments during a state visit to the Pakistani capital Islamabad. He thanked Rouhani for the hospitality and respect extended to the Pakistani delegation.
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Most of the disruption to the city has come from protesters gathering outside their designated protest zone at the Marble Arch. At one stage, officers used an angle grinder to cut through a metal pipe connecting two protesters to each other.