The German and Swedish consulates in Istanbul were closed on Wednesday due to a heightened threat of attack in Turkey’s biggest city, the German and Swedish Foreign Ministries said. Germany warned its citizens in Istanbul that the risk of attack following rising tensions between Turkey and some European countries was particularly high in the central district of Beyoğlu and around the busy Taksim Square. The ministry said the move to close the consulate was made following “the assessment of the security authorities” and urged citizens to be especially vigilant and avoid crowds. The Swedish emba…