By David Lawder WASHINGTON (Reuters) – U.S. Veterans Affairs Secretary Eric Shinseki said on Thursday he would take \”timely action\” to deal with allegations that veterans died while waiting for medical care at VA facilities in Phoenix while officials masked months-long waiting time for appointments. Shinseki, in written testimony to the Senate Veterans Affairs Committee, said he was \”personally angered and saddened\” by the allegations, but it was important for the agency’s Office of the Inspector General (OIG) to conduct a thorough review. \”If these allegations are true, they are completely unacceptable – to veterans, to me and to our dedicated VHA (Veterans Health Administration) employees. If they are substantiated by OIG, responsible timely action will be taken.\” Shinseki’s appearance before the committee is his first major public appearance to address the scandal over long wait times at VA medical facilities around the country.