It is just a few days until Easter, the most important date in the Christian calendar. But for 700 Muslims who have gathered in a rural caravan park, this week has a different religious significance. And to some of their neighbours, the thrice-daily calls to prayer are proving a strain on a harmonious relationship. The Iranian Muslims have converged on the Trevelgue Holiday Park in Porth, Cornwall, to celebrate yesterday's Persian New Year. Every day at sunrise, noon and sunset they broadcast their prayers, known as Adhan, on a loudspeaker system. But some residents are complaining that the noise is...