A suspicious letter sent to US President Barack Obama has been intercepted at a mail screening facility, Reuters reports.
The letter addresses to Obama, contained a "suspicious substance" authorities have told NBC News.
"A letter addressed to the president was received at a remote screening facility containing a suspicious substance. We are working closely with Capitol Police and the FBI in this investigation," a Secret Service spokesman said.
It comes as it was reported that two letters containing the poison ricin were sent to the US Senate yesterday and today.
More top news
A police horse working at a Bank Holiday Monday football match died on duty following a “tragic accident”.
The newspapers focus on the fallout from the Sri Lanka bombings, including claims chances were missed to prevent them.
Police have arrested 40 suspects following a series of bombings in Sri Lanka, including the driver of a van allegedly used by attackers.