She added: “He is stable and yesterday I spoke to the nurses and they had put Good Morning Britain on and they felt, because his eyes were open, that he looked focused and engaged.
“I found it very emotional. We don’t know if it was the moving of the light or the familiar voices.”
She then turned to Ben and joked: “They didn’t say whether it was me or you.”
Kate added: “We don’t know whether it’s the movement of the light, or whether it’s the familiar voice. So, good morning, Derek, if you are watching.