text: Britain says death of its citizen will sour ties . DHAKA 1996-08-22 A British minister expressed his government 's official disquiet on Thursday at the recent death of a British citizen of Bangladeshi origin at Dhaka airport . " I have told Bangladesh leaders that British goverment has attached serious importance to the resolution of the tragic death of Siraj Mia , " Under-Secretary of State for Foreign and Commonwealth Affairs Liam Fox Fox , told reporters . Siraj Mia died at Dhaka airport on May 9 during interogation by customs officials after arriving from London . His body bore multiple injuries , and his relatives complained that he was murdered . A post-mortem report suggested he might have been tortured . But customs authorities said the passenger was drunk and died of loss of blood from a deep cut in his wrist after he hit a glass sheet . Fox , who arrived in Bangladesh on Tuesday on four-day visit , said Britain wanted Dhaka to act seriously on the case . " This is one of the reasons of my visit here ... this is an important issue in our relationship " , said Fox , who is due to leave for Nepal on Friday . Fox said the incident had strained relations between the two governments . He said the Mia 's issue had been raised in the House of Commons . Fox said he had brought up the issue at every meeting he had had with government leaders in Dhaka . He said the Bangladesh government had assured him it was taking the matter seriously . " The British government wants a thorough investigation and a just outcome , " he said . Fox said the British government wanted an end to the alleged harassment of its nationals at Dhaka airport by customs officials . Bangladesh 's Criminal Investigation Department has charged two immigration officials in connection with Mia 's killing . Mia , a father of five children , had a restaurant business in a London suburb .