The Duke and Duchess of Cambridge are 'deeply concerned' and 'saddened.'
The young royals were keen to "water the garden."
"Our hearts go out to the families and friends of the people who lost their lives in the devastating attack in Christchurch."
Abusive and even threatening remarks have become commonplace on the comment sections and Twitter feeds of the royal family.
The actress is recovering after suffering a ruptured ovarian cyst.