Three people have been arrested – one facing serious drug trafficking charges – after police seized half a kilogram of cocaine and a suitcase full of cash from a home in Chelsea. Following investigations into the alleged trafficking of cocaine and ketamine in Melbourne’s southeast, detectives from the Caulfield Divisional Response Unit executed two search warrants at a home on Embankment Grove, Chelsea and on Wren Road, Moorabbin, from about 6am on Monday 1 September. At the Chelsea address, police located 500g of cocaine with an estimated potential street value of $150,000, and approximately $785,000 cash in a suitcase. Two…