The police team investigating the murder of 26-year-old David Clarke this morning said they wanted to speak to anyone who may have seen riders of a white scooter or motorcycle, with one or more of the persons on the bike wearing a red scarf.Mr Clarke was gunned down on Sunday night in Pembroke - the fourth person to be murdered this year.A Police spokesman said today: “The team investigating the murder of David Clarke is interested in speaking with anyone that may have seen the riders of a white scooter or motorcycle, with one or more of the persons on the bike wearing a red scarf. These persons would have been in the North Shore Road / Long Ridge Pass / Lookout Lane (Tribe Road #2), Devonshire area.“If anyone saw individuals matching this description in the North Shore Road, Devonshire area on the night of Sunday, April 17 please contact the Serious Crime Unit on 299-8115 or the independent, confidential Crime Stoppers Bermuda hotline on 800-8477 (TIPS).”