Its royal babyness

12.04.127:40 AM ET

William Arrives At Hospital - As Masked Prankster is Lead Away!

William arrived back at hospital this morning

Prince William has just arrived back at King Edward Hospital to be at Kate's bedside, and didn't make a comment to waiting press.

LONDON, ENGLAND - DECEMBER 04:  A man wearing a Prince William, Duke of Cambridge mask is escorted away by a police officer from the King Edward VII Private Hospital on December 4, 2012 in London, England. Catherine, Duchess of Cambridge spent her first night in the hospital after yesterday's announement of her pregnancy and the fact she was suffering from hyperemesis gravidarum or acute morning sickness.  (Photo by Chris Jackson/Getty Images)
Chris Jackson / Gtety Images
LONDON, ENGLAND - DECEMBER 04:  Prince William, Duke of Cambridge arrives at the King Edward VII Private Hospital on December 4, 2012 in London, England. Catherine, Duchess of Cambridge spent her first night in the hospital after yesterday's announement of her pregnancy and the fact she was suffering from hyperemesis gravidarum or acute morning sickness.  (Photo by Chris Jackson/Getty Images)
Chris Jackson / Getty Images

Just minutes earler, a chap wearing a Prince William mask tried to gain entry to the hospital via the main entrance.

he didn't appear surprised and gave up good-naturedly when police led him away.