The New York Post reported a letter that was partially written in Arabic was found in a plastic bag that held the second pressure cooker device in New York City Saturday night. That device planted four blocks from the bomb that exploded in the Chelsea neighborhood wounding 29 people did not explode and was taken away by authorities for investigation.

Second device — possibly a pressure cooker — found 4 blocks from Chelsea explosion https://t.co/yDGCfaEXni pic.twitter.com/PFclpUlM5i — Eyewitness News (@ABC7NY) September 18, 2016

The Post also reported police interviewed two men who said they saw an Arabic looking man carrying a suitcase shortly before the Chelsea bomb went off around 8:30 p.m.

In another new wrinkle, a hand-written letter, a portion of which is in Arabic, was found inside a plastic bag that held the second device, sources said. Cops were interviewing two men who claim to have spotted a potential person of interest in the case, sources said. TRENDING: Unhinged Quebec Woman Pascale Ferrier Identified as Suspect in Case of Ricin Letter Sent to Trump White House The witnesses were dining at the Krush bar and grill on 32nd Street about a half-hour before the 8:30 p.m. Saturday explosion when they saw an Arab-looking man who was carrying a suitcase and appeared out of place, sources said. he men called 911 around 11 a.m. Sunday to report what they had seen and were brought to Manhattan for questioning, sources said. Investigators have obtained surveillance video of a person placing the unexploded device, sources said.”

Complete NY Post article at this link includes report of manifesto at Tumblr claiming the bombing was in defense of the gay community and that a phone call to 911 was made at the time of the bombing promising more.