where the crowds are ready for a hugely significant historic event that dates back more than two centuries. this is trooping the colour, as we mark the king s official birthday. all five regiments of the fog cards making their way onto centre stage. the footguards. led by the irish wolfhound known as seamus, the regimental mascot of the irish guards. because this year, it is number nine company irish guards who have the honour of providing the escort and trooping their colour. and with them comes the musical flair of the pipes and drums. we have a real treat in store. in about 15 minutes, his majesty the king will set off from buckingham palace for his second birthday parade as monarch and he will be accompanied by other members of the royal family. there is huge excitement around that. we can offer a number of ways to enjoy our coverage this morning. we have audio described commentary for those who are blind or partially sighted, that is via the red button. and you can fi