Border Protection officers have detained a suspect who allegedly sent a package containing ricin poison to the White House.
According to Sputnik news agency, quoting an NBC Chicago report, a federal law enforcement official told NBC on Sunday that the suspect was detained while trying to enter the US from Canada.
WTKR reported on Sunday that the detained suspect was a woman.
On Saturday, the US Federal Bureau of Investigation (FBI) said an investigation was underway over a suspicious letter addressed to US President Donald Trump.
The package was reportedly intercepted earlier in the week and two tests were conducted, confirming the presence of the deadly poison ricin.
A Royal Canadian Mounted Police spokesman told CBC on Saturday that “initial information from the investigation suggests that the letter originated in Canada”.
According to Sunday reports from US media, the woman detained at the US-Canada border was armed.