LUCKNOW, Nov. 4 -- At least 15 people, including four children, were injured after a 20,000-litre water tank burst during a mermaid show at the Dada Miyan Urs, in Bahraich district, on Monday night. The surging water triggered panic among spectators. The incident took place around 9pm at Khalidpur village about 20 km from the district headquarters. P4...