System and Method to Detect One or More Concealed Weapons

The present invention relates to a gantry of a metro security system for detecting one or more concealed weapons carried by commuters passing therethrough. The gantry comprises a radar screening device adapted to scan commuters in real time to detect the concealed weapon and produces an image signal pertaining to the detected concealed weapon; an image processor connected to the radar screening device to receive signals from the radar screening device to render images based on the detected signals; and a communication module connected to the image processor to transmit the images to a computing unit over a communication network for analysis. A method is also provided therefor.