Boris Johnson has been urged to speed up the ID process as Ignacio Echeverria's family wait for news
HSBC bank worker Ignacio Echeverria, 39, was last seen lying on the floor near London Bridge after fighting off a terrorist with his skateboard on Saturday night in a bid to protect an unidentified woman.
Family members have appealed online to trace the 39-year-old in the wake of the London terror attack.
Joaquin Echeverria wrote on Facebook that Ignacio had been seen "defending someone with his skateboard", adding: "We keep looking for Ignacio, disappeared in the London attacks. We pray for the better. We would really appreciate any news.
They're totally hermetic in the hospitals and it's impossible to get any information
Ignacio’s father Joaquin Echeverria
Ignacio’s parents have been asked for their fingerprints as the authorities try to find out if he was dead or among the injured in hospital.
The family, who live in Madrid, are due to fly to London today after saying they have struggled to find out any information about their son.
Ignacio’s father Joaquin Echeverria said: “They're totally hermetic in the hospitals and it's impossible to get any information.
“The Spanish government is giving us all the help it can and the British government as well, pressured by the Spanish authorities I suppose.
“Someone in London is helping my daughters with all the paperwork and administrative things they have to do.
“Yesterday the police went to Ignacio's house to take fingerprints. We're just waiting.”
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HSBC bank worker Ignacio Echeverria was last seen lying near London Bridge on Saturday night
The Spanish government, embassy and consulate are in contact with the British authorities.
Foreign minister Alfonso Dastis has urged his British counterpart Mr Johnson to “speed” up the identification process in a bid not distress families further.
Sadiq Khan leads sombre vigil for London terror victims Tue, June 6, 2017
London Mayor Sadiq Khan lead a vigil to commemorate the victims of the London Bridge terror attack. Hundreds attended the event outside London's City Hall
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London Mayor Sadiq Khan bows his head
Mr Dastis said: “We are urging the British authorities because, frankly, this is something that cannot be prolonged for long.”
Seven people were killed and 48 people injured on Saturday night when terrorists Khuram Butt, Rachid Redouane and Youssef Zaghba mowed down pedestrians on London Bridge before stabbing people at Borough Market.
Canadian Christine Archibald, 30, died in Saturday's attack
Australian nurse Kirsty Boden, 28, died after running to help those in danger on London Bridge
Police have formally released the names of two of the dead – Canadian Christine Archibald, 30, and Australian Kirsty Boden, 28.
Ignacio’s sisters are said to have been searching London hospitals for their brother in a frantic effort to find him.