Three people, allegedly involved in the sensational bank robbery bid in which two guards were killed on September 21, were arrested following an encounter with the police in Noida Tuesday night, officials said. A gun-battle broke out between the accused and the police late in the night in the city's Sector 19 area in which two of them suffered injuries and were hospitalised, while the third was taken in custody, a senior official said.

"Two of their accomplices, including a minor, managed to give the police the slip in the darkness of the night," Senior Superintendent of Police Ajay Pal Sharma said. Two private security guards of Punjab National Bank (PNB) were bludgeoned to death by unidentified assailants in an attempted robbery at its circle office in Sector 1 here on September 21.