sentences:  In January 2016, Sultan Ibrahim also decreed that signboards for businesses must not exceed 6.1 m × 1.2 m, so as to prevent any dangers to the public as well as to reduce unsightly signboards which mar the city beauty.Occasional reports of alleged criminal misconduct from the 1980s onwards marred Tunku Ibrahim's reputation somewhat, albeit to a much lesser extent than his father, Sultan Iskandar, whose past heinous crimes had received considerable attention from mainstream media.In the 1980s, he was convicted of shooting dead a man in a nightclub during a feud, but was quickly pardoned.