The doctor of a man with severe amnesia said staff "were no closer to his identity" and were still appealing for information from anyone who might know he who is.
Dr Manaan Kar Ray told Good Morning Britain "Robert", as doctors are calling him, is "very keen, if anyone knows him, that they might be able to help him piece his life together."
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There is no evidence the Westminster attacker Khalid Masood was associated with so-called Islamic State or al Qaeda, the Met Police said.
Janet Ajao said in a statement: "I do not condone his actions nor support the beliefs he held that led to him committing this atrocity."
After the PM triggers Article 50, Britain will need the other EU nations to agree to deals. Gibraltar could be key to Spain's demands.