The world’s largest water fight erupted across Bangkok on Monday as the three-day annual Songkran festival drew a surge in tourists to a country whose bruised economy badly needed a reason to celebrate. Thailand has refused to let a fuel crisis triggered by the US-Israeli war on Iran dampen its traditional New Year’s celebrations, even as prices spike for everything from petrol to ice during the hottest month of the year. The water festival – also known as Thingyan in neighbouring Myanmar and...