Christopher Meyer, the former British ambassador to the United States, was attacked at a station in London, with two teenagers arrested on suspicion of assault, police said on Thursday.
His wife said: "He looks bad".
"I'm absolutely shocked by the level of the brutality".
'His left eye is like a golf ball and bleeding, the nose looks like it could be broken.
His distraught wife, Baroness Meyer (also pictured), said her husband was taking the Tube home and had no memory of what happened. It's appalling - like something you would see in a war zone, ' she said.
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British Transport Police said a 15-year-old girl and a boy aged 16 have been arrested on suspicion of assault occasioning grievous bodily harm after the attack at around 2.45pm on Wednesday. They have been released under investigation. His injuries are not believed to be life-threatening. The newspaper also published a photo of the ex-Ambassador from the hospital where his face is covered in blood.
She added that the police had already arrested the attackers, a man and a woman.
Sir Christopher was the longest serving British ambassador to the US since the Second World War and was in post from 1997 until his retirement in 2003.
Between 2003 and 2009 he was chairman of the now defunct Press Complaints Commission.