Ed Miliband with his partner Justine Thornton and newborn son Samuel (Photo courtesy of Handout Photo/ Lisa Linder)
In media interviews outside the EGA Wing, Mr Miliband said: “I would like to thank all of the staff here – the nurses, doctors and midwives. All the staff have been fantastic to us and we are both really delighted.”
Samuel weighed 8lb 3oz and was born at 10.35pm on November 7. He was named after Mr Miliband’s paternal grandfather. He will also have the middle names Stewart, after Justine's father, and Thornton.
Mr Miliband added: “He is really gorgeous. He looks a bit like me!”
The couple already have an older son, 18-month-old Daniel.
Click here to see the interview in full.