Inside the house, they found a man in his 30s who was later confirmed dead, and a young child with serious injuries.
A young Nigerian footballer, Kelvin Igweani has been reportedly shot dead by the police in the United Kingdom.
According to reports, the officers attended a call-out to a house where a child was seriously injured and Igweanyi was shot dead in the process.
The Thames Valley Force is currently investigating the incident, Daily Mail reports.
The police said in a statement that officers were called to a property in Two Mile Ash, northwest Milton Keynes, at around 9.40 am on Saturday, and made a forced entry after acting on information from a witness.
Inside the house, they found a man in his 30s who was later confirmed dead, and a young child with serious injuries.
They also located a man who is believed to be a Nigerian footballer, Kelvin Ifeanyi Odinaka Nathaniel Igweani, 23. The force added that it was understood officers deployed a Taser before shots were fired at him.
He subsequently required first aid and treatment from the ambulance crew but was pronounced dead at the scene, police said.
The young child was taken to a hospital.
The Independent Office for Police Conduct said a probe is now underway after a police firearm was discharged at the address in Denmead.
Assistant chief constable, Christian Bunt said, “What has happened this morning can only be described as absolutely tragic and will no doubt have an impact on the community. Our thoughts are with those who have been impacted by this incident. Our major crime unit is working closely with the IOPC to understand exactly what has happened.”