The man was wearing a Punjabi turban blue jacket, brown pants and carrying a backpack and threatened the shop staff to blow the place after a failed robbery attempt.
The elderly man pleaded guilty for assaulting his drinking buddy's 44-year-old acquaintance, who joined them at a coffee shop in Block 639 Punggol Drive.
Singapore National University of Singapore student faces nine months' jail and three strokes of the cane for molesting another classmate inside the campus laboratory.