Gurgaon, Feb 27 (IANS) Robbers struck at six houses in the upscale South City area of Gurgaon and fled with cash and valuables, police said.

According to police, the burglars zeroed in on only those houses whose occupants were away.

'The incident took place Friday afternoon and the occupants got to know about the incident only in the evening,' Sadar police station's Rajeev Kumar said.