Asharfi Devi (60) was shot dead by Sumit Yadav (25) while she was standing in front of her house in the Sikohabad area here this morning, they said.
Police said that Sumit was agitated as Asharfi's dog had barked at him while the two were out on morning walk today and they had an argument over it.
Sumit allegedly shot Asharfi Devi after they returned from the walk, they said, adding that he has been arrested.