Sir Chris Hoy "shocked" to announce early arrival of baby son

Six-time Olympic champion Sir Chris Hoy has admitted that he is a "little shocked" that his baby son Callum was born at 29 weeks.

The 38-year-old retired cyclist announced the birth of his first child with wife Sarra Kemp on Twitter yesterday.

The sportsman wrote: "Amazed, delighted & a little shocked to announce the birth of our beautiful baby son, Callum David Robert Hoy! Born at 29weeks, today at 2pm."

He added: "Although v.early days for wee Callum, he's doing well as is @SarraHoy. Huge thanks to the incredible medical staff."

Hoy married his wife, who works as a lawyer, back in 2010.

Although v.early days for wee Callum, he's doing well as is @SarraHoy. Huge thanks to the incredible medical staff. pic.twitter.com/vP3pncp7WX

— Chris Hoy (@chrishoy) October 15, 2014