Austrian woman among two killed in Indonesian ferry blast

* Many injured in explosion on tourist boat* Police rule out bomb, point to gas canister explosion* Identities of tourists remain unclear An explosion on a ferry carrying 35 tourists between the Indonesian resort islands of Bali and Lombok killed two people on Thursday and injured several, police said.The Austrian Foreign Ministry said an Austrian woman was among the dead. Earlier reports had said the two casualties were a Dutch citizen and an Indonesian."Up to now, two people have died, but I don't know the details of their identities," said district police chief Sugeng.Several injured tourists were being treated in hospital.Police denied reports of a bomb attack, saying instead that they suspected a gas cylinder explosion."We confirm there was no bomb on board," Sugeng said. "The explosion happened because of ... a gas cylinder close to the engine."Bali and neighbouring Lombok are two of Indonesia's most popular holiday destinations.