Well-wishers have been leaving tributes to David Dixon after his death was announced this morning.
The 53-year-old commuter programmer, originally from Hartlepool, but was living in the Belgian capital. He was using the city's metro system when terrorists struck.
Prime Minister David Cameron was among those offering his condolences.
He said: "I am deeply saddened to hear David Dixon was killed in the Brussels attacks. My thoughts and prayers are with his friends and family."
Mail readers have been leaving their kind words on our Facebook page.
Kathleen Foster said: "Thoughts and prayers are with his family. May he Rest in Peace xx"
Aly Lloyd said: "So sad x"
Nicci Tweddle Walker said: "R.I.P. thoughts and prayers go out to his family and friends at this sad time."
Edith Mitchell said: "So sad thinking of all family at this sad time xx"
Linda Robson said: "Thinking of his family and friends at this sad time rip."
Margaret Cass said: "Very Sad News... R.I.P David... God Bless His Family."
John Richardson said: "Thoughts with your family x"
Alison Hay said: "So really sad! .R.I.P"