FILE – In this Sept. 24, 2013, file photo, artist Robert Indiana, known for his LOVE artwork, poses in front of that painting at New York’s Whitney Museum of American Art. A spokesman told The Associated Press on Friday, July 20, 2018, that a medical examiner has been unable to determine the cause of Indiana’s death, but that the death was not suspicious. Indiana died May 19, 2018, at age 89 at his Vinalhaven Island home off the coast of Maine. (AP Photo/Lauren Casselberry, File) by The Associated Press Posted Jul 20, 2018 10:24 am PDT Last Updated Jul 20, 2018 at 11:00 am PDT AddThis Sharing ButtonsShare to TwitterTwitterShare to FacebookFacebookShare to RedditRedditShare to 電子郵件Email Pop artist Robert Indiana’s cause of death ‘undetermined’ PORTLAND, Maine – A medical examiner has been unable to determine the cause of pop artist Robert Indiana’s death, but a spokesman says the death was not suspicious.A spokesman told The Associated Press on Friday that the death was likely cardiac-related, but the official cause and manner of death is “undetermined.”Indiana’s “LOVE” series is instantly recognizable around the world.Indiana died May 19 at age 89 at his Vinalhaven Island home 15 miles (24 kilometres) off the Coast of Maine. His attorney said he died from respiratory failure.An FBI agent investigating possible art fraud requested the autopsy.A federal lawsuit accuses two men of insinuating themselves into Indiana’s life and taking advantage of him in the final years of his life.