[custom_adv] Mohammad Reza Kadkhoda-Zadeh, 40, a father-of-one travelled to Iran to see family over the Christmas period and was returning to the UK via Ukraine. [custom_adv] The businessman, who lived in a three-bedroom terraced house in Brighton, East Sussex runs Smarty's dry cleaner's, in nearby Hassocks. [custom_adv] The third victim was Sam Zokaei, 42, an engineer at BP where colleagues mourned his 'tragic loss' today. [custom_adv] A spokesman for the company said: 'With the deepest regret, we can confirm that one of our colleagues at BP, Sam Zokaei, was a passenger on the Ukrainian International Airlines plane that crashed in Iran this morning, reportedly with no survivors. [custom_adv] 'We are shocked and deeply saddened by this tragic loss of our friend and colleague and all of our thoughts are with his family and friends.' [custom_adv] His friends described him as a 'very bright, very clever and smart' man who had a promising future as a structural engineer. [custom_adv] He and two more Britons - including a dry cleaning firm boss from Brighton, East Sussex and another engineer from London are known to have perished on board.