The Brief Funeral services were held Thursday for 58-year-old postal worker Umeshkumar Thakkar, who collapsed and died on his route. While triple-digit heat affected North Texas that day, USPS has not confirmed if heat caused his death, pending autopsy results. Funeral services were held on Thursday for the postal worker who died whole on his route in Little Elm on an extremely hot day. The 58-year-old postal worker died on Monday after collapsing while delivering mail in a Little Elm neighborhood. Over the past few years, USPS has faced scrutiny over worker safety in North Texas.