Police investigating a "racist hate crime" towards Meghan Markle and Prince Harry
"The substance was tested and confirmed as non-suspicious."
Police are investigating a suspicious package which was addressed Meghan Markle and her fiancé Prince Harry at Kensington Palace.
The package caused a security scare after it contained a white powder purporting to be anthrax and an alleged racist message.
"The substance was tested and confirmed as non-suspicious," police later said in a statement.
"Police are investigating after a package containing a substance was delivered to St James’s Palace on Monday, 12 February," the police statement added.
"Officers are also investigating an allegation of malicious communications which relates to the same package, and it is being treated as a racist hate crime."
According to The Evening Standard, police are investigating whether or not the incident is related to an incident which saw a package containing white powder being sent to Parliament.
Prince Harry and Meghan Markle, who announced their engagement in November, are due to marry in Windsor this May, and currently live at Nottingham Cottage on the grounds of Kensington Palace.
The pair were informed of the letter which was opened by a member of staff, no arrests have been made at this time.