Islamabad – Pakistani and Iranian leaders on Monday vowed to strengthen relations and enhance bilateral trade to $10 billion a year, leaving behind recent airstrikes against each other and ignoring possible new sanctions against the Persian republic. “We have agreed to enhance our bilateral trade volume to $10 billion (a year),” Iran’s President Ebrahim Raisi said at a presser with Pakistan’s Prime Minister Shehbaz Sharif in Islamabad. Raisi, who arrived in Pakistan on three-day visit, called for more action at borders to increase trade with Pakistan, in defiance of “illegal and unfair” sancti…