Bengaluru, Jan 01 (ANI): Police commissioner of Bengaluru, MN Reddi said the investigating team was making sketches of the blast suspects and examining CCTV footages of the incident site. A crude bomb exploded outside a busy restaurant on December 28, killing one woman and wounding a man. The low-intensity blast occurred in the centre of Bengaluru packed with evening crowds, prompting a security alert in other cities. Reddi said police were receiving assistance from central agencies.