Lance Corporal Ackah was armed with an AK 47 but he was mufti, went out of the bus and fired warning shots.
The policeman identified as Lance Corporal Robert Kumi Ackah, who was wielding a rifle, was killed in a case of mistaken identity to be an armed robber by his colleagues and killed near Dawadawa, on the Buipe-Kintampo road.
The driver of the OA bus, Eric Lawson in an interview on Accra-based, Okay FM said, they were told that some armed men had blocked the road between Kawampe and Gulumpe.
He said Lance Corporal Ackah, was armed with an AK 47 but he was mufti, went out of the bus and fired warning shots.
When he saw the robbers fleeing, he asked the bus driver to do a u-turn and move towards safety until reinforcement arrived.
The police patrol team is said to have received a distress call from passengers around 2:30am about a robbery.
According to reports, the armed robbers opened fire on the patrol team upon seeing them and the police also returned fire at them.
The armed robbers succeeded in robbing the passengers of unspecified amounts of money and made away with mobile phones.
Three others, including an eight-year-old girl, Cynthia Ayaaba, Kwabena Sarfa, 44, and Guruson Bashiru, 28, were rushed to the Kintampo Government Hospital, but the policeman was pronounced dead upon arrival at the hospital.
Members of the patrol team later went into the bushes around the crime scene but the armed robbers escaped.
The police said 11 empty AA cartridges were found at the scene, one AK riffle with the number 172194 and 34 ammunitions were also retrieved from the bush.
The riffle is said to belong to the policeman who was killed by his colleagues.
Soldier lynched over mistaken identity
On Monday, May 29, security officer [soldier] Captain Maxwell Mahama who was lynched and killed at Denkyira-Obuasi in the Upper Denkyira West district in the Central region.
According to reports, he was lynched because he was suspected to be an armed robber.
READ MORE: Army officer killed at Denkyira-Obuasi
An alarm was raised by the residents, who had witnessed an armed robbery incident the night before and so were on alert for the armed men.
The officer whose name has been given as Captain Maxwell Mahama of the 5 Battalion of Infantry at Burma Camp in Accra was dressed in civilian clothes.