Indian riots after Vienna killing

Riots have broken out across the Indian state of Punjab after a a preacher from an Indian sect was killed by a rival Sikh group in Austria.Within hours of the incident in Vienna, thousands of Sikhs took to the streets, clashing with police and setting fire to buildings, vehicles and a train.At least one man was killed when the security forces opened fire on crowds near the city of Jalandhar, police say.The army has marched through the city, where a curfew is in force.However thousands of protesters carrying swords, steel rods and sticks defied the curfew on Monday.Major highways were blocked by bonfires of tyres and sticks. Trains have been attacked in several places.Police said they had fired at rioting mobs in Jalandhar, after coming under attack. At least four people were wounded.A man was shot dead as police dispersed a crowd in the nearby town of Lambran. Police say they have arrested six people for arson.In the Sikh holy city of Amritsar, police fired tear gas after protesters burnt dozens of buses.The Delhi-Lahore bus has been stopped near the town of Ludhiana as a precautionary measure.Violent demonstrations have also been reported in the towns of Patiala, Ferozepur, Bathinda and Nawanshahr.