The Duke of Cambridge looked in good spirits as he commemorated 50 years of continuous deterrent by the Submarine service. William, 36, who has been Commodore-in-Chief of the fleet since 2006, did not appear to give an update on the royal baby but is conveniently located just one hour away from Windsor should he need to make the dash. The 36-year-old attended the event in London along with the newly appointed Defence Secretary Penny Mordaunt, following the controversial sacking of Gavin Williamson on Wednesday. Related articles Royal baby LIVE: Meghan Markle baby could have been BORN Meghan Markle to give birth TODAY according to Elton John The Duke of Cambridge is no stranger to the media frenzy of a royal arrival, having fathered three children Prince George, 5, Princess Charlotte, 4, and Prince Louis, 1, with his wife Kate, Duchess of Cambridge. However, on a recent trip to New Zealand, William could not resist giving away information to eager royal watchers. On Sunday a royal fan asked the Duke: “Any sign of the royal baby?” Prince William attended a service at Westminster Abbey (Image: PA) William replied: “I haven’t got my phone on me, I have no idea. You guys will find out before I do at this rate!” Meanwhile royal fans are growing impatient as they await the big news with many taking to social media. One excited royal fan wrote on Twitter: “I am desperate for news on the royal baby it’s driving me nuts!” Prince William has been Commodore-in-Chief of the Submarine Service since 2006 (Image: PA) Whilst another royalist simply commented: “If anyone needs me I’ll be on royal baby watch.” Such is the interest from the public surrounding the seventh-in-line to the throne many leading bookmakers have been forced to suspend the betting. A spokesman for PaddyPower said: “Someone knows something and perhaps the child is already born”. Meghan and Harry are expecting the arrival of their first child any day now (Image: GETTY) The firm said in a statement: “Bookmakers have suspended all bets on the day of birth of Baby Sussex, believing that Meghan Markle and Prince Harry’s child has already arrived.” However any announcement of a royal arrival will be made once the royals have had time to “celebrate privately as a new family”. Related articles Royal baby: Palace speaks out as fans convinced Meghan's given birth Meghan Markle’s father Thomas gets special delivery… of food In a statement last month the Palace said: “The Duke and Duchess of Sussex are very grateful for the goodwill they have received from people throughout the United Kingdom and around the world as they prepare to welcome their baby. “Their Royal Highness’s have taken a personal decision to keep the plans around the arrival of their baby private. “The Duke and Duchess look forward to sharing the exciting news with everyone once they have had an opportunity to celebrate privately as a new family.”All rights reserved for this news site express.co.uk and under his responsibility