An appeal was launched through social media site Twitter on Wednesday (March 28) for the whereabouts of 46-year-old Marek Rosinski.
Officers are keen to hear from anyone who has seen or knows of his whereabouts.
@MPSHounslow tweeted: "Marek ROSINKSI aged 46yrs missing from Isleworth area.
"We need your assistance to find Marek."
If anyone spots Marek they are urged to call 101 and quote reference 17MIS010907.
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