Iran’s top diplomat said on Sunday that only “prudence and foresight” could alleviate tensions between his country and Britain after Tehran’s seizure of a British-flagged oil tanker. “Having failed to lure @realDonaldTrump into War of the Century, and fearing collapse of his #B_Team, @AmbJohnBolton is turning his venom against the UK in hopes of dragging it into a quagmire,” Mohammad Javad Zarif said on Twitter.