OPCW document: Syria had ricin program

Syrian authorities have declared that they once had a program to produce the deadly toxin ricin, according to an official document of the global chemical weapons watchdog.

Texas woman sentenced to 18 years for threatening Obama

A 35-year-old woman was today sentenced to 18 years in prison for sending poisonous ricin-laced letters to US President Barack Obama and former New York Mayor Michael Bloomberg.

Texas woman admits to sending ricin to Obama

A former actress from Texas has pleaded guilty to sending ricin-laced letters to President Barack Obama and New York Mayor Michael Bloomberg, under a deal that her attorney has said would cap prison time at 18 years.

Texas woman indicted in ricin letter-to-Obama case

A federal grand jury has indicted a woman who authorities say sent ricin-laced letters to President Barack Obama and others in an attempt to frame her estranged husband.

Texas actress arrested in ricin case: Reports

A woman who told FBI agents her husband had sent ricin-tainted letters to President Barack Obama and New York Mayor Michael Bloomberg has been arrested.

US authorities charge man in Obama ricin letter case

A 41-year-old martial arts instructor was charged with sending ricin-laced letters to President Barack Obama and other public officials following his arrest Saturday.

Obama ricin letter suspect freed

A US man accused of sending a poison-laced letter to the White House was released from jail with his charges dismissed Tuesday as officials searched the home of a rival.

Obama ricin letter case: Mississippi man arrested

A letter addressed to President Barack Obama tested positive for ricin, and authorities arrested a suspect, stoking alarm in Washington on Wednesday after an earlier scare over poisoned mail.

Poisonous ricin found in letter to US senator`s office

US authorities intercepted a letter that contained the deadly poison ricin and was bound for Senator Roger Wicker`s office, officials said on Tuesday.

Tea can counter poison used in terror attacks: Scientists

A cup of tea could be a secret weapon to fight poison used in terror attacks if UK scientists are to be believed.