Reaction From Around The World Messages of congratulations have been sent from around the world after the Duchess of Cambridge gave birth to a baby boy. US President Barack Obama says the new prince has been born "at a time of promise and opportunity" between Britain and the United States. Mr Obama said in a written statement that he and first lady Michelle Obama wish Prince William and his wife, Kate, "all the happiness and blessings parenthood brings." Thousands are on the streets of London celebrating Earlier, White House press secretary Jay Carney said the first family had been waiting with "anticipation" for news on the birth. In the Canadian capital of Ottawa, Parliament hill was illuminated with blue lights. The country's Governor General was among the first international dignitaries to congratulate the couple on their new arrival. He used Twitter to send a message to Clarence House, saying: "Wonderful news!" Media outlets around the world have been gripped by the wait for the Royal baby. Following the birth, the story featured highly on most of the news channels and websites in Australia and the US, with many focusing on the image of a town crier announcing the news on the steps of the Lindo Wing.