Police have arrested the owner of the pet dog that fell on a four-year-old girl from the fifth floor of a building in Maharashtra's Thane, which resulted in her death, officials have said. The police arrested the accused on Thursday night and also registered an offence against him and three other persons in connection with the incident that occurred around 4.30 pm on Tuesday in Mumbra area of Thane city. "The police have arrested the owner of th…