Queen Beatrix of the Netherlands has cancelled her engagements for the week to stay close to her critically ill son Johan Friso.
On Monday, Prince Willem-Alexander, who is the heir to the throne, stepped in to attend an event commemorating the 70th anniversary of the battle of Java, a former Dutch colony.
He was given flowers by concerned well-wishers.
Prince Friso is fighting for his life after being buried by an avalanche in Lech, Austria.
Since his accident, the monarch, his distraught wife Mabel and older brother Willem-Alexander have been visiting him daily.
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