India, Nov. 28 -- An elderly couple living all-alone in their Kavi Nagar flat in Ghaziabad, sustained injuries after an unidentified man barged into their flat on Thursday afternoon and stabbed them, said police, adding that it appears to be a failed robbery-attempt.

Police identified the victims as Narender Sharma, a retired employee of the Delhi Transport Corporation, and his wife Madhu Sharma, residents of FE block. Officials said the couple's son lives in Saudi Arabia and daughter, who is married, lives in Muradnagar.

"The couple lives in their ground floor flat. After their domestic help left home around 2pm, and around 2.30pm an unidentified man entered their house. Initially, he walked in asking Sharma if he had retired from a ba...