KARACHI: Pakistan’s foreign minister on Saturday said the US ambassador to the country had been summoned after President Joe Biden said in a speech that Pakistan is “maybe one of the most dangerous nations in the world” as it has “nuclear weapons without any cohesion.”The minister, Bilawal Bhutto-Zardari said he was surprised by Biden’s comments and a misunderstanding was created by a lack of engagement. Bhutto-Zardari said he didn’t think the decision to summon the US Ambassador will negatively affect relations with the United States.Biden made the remarks at a Democratic Congressional Campaign Committee reception on Thursday.