A bipartisan group of senators called on Secretary of State Antony Ben to appoint a new one senior official to lead State Department efforts to deal with ongoing abnormal health incidents, also known as Havana Syndrome saying that the incidents reflect a significant, unmitigated threat to our national security. Legislators - headed by the chairman of the commission of rForeign Senate Elations Bob Menendez, Republican Leader Jim Risch, and Democratic Senator Jeanne Shaheen - said they are extremely alarmed that reports of these incidents continue to grow. We believe that this threat deserves the highest level of attention from the State Department, and remain concerned that the State Department is not addressing this crisis with the high level required attention that it requires. 'it requires , they wrote. . Additionally, while there has been some progress, we continue to hear concerns that the Department is not communicating not sufficiently with diplomats who were injured in these attacks or not responding sufficiently to diplomats, they wrote. We are also concerned that the Department is not sufficiently engaged in interagency efforts to find the cause of these attacks, identify those responsible and develop a plan to hold them accountable. CNN has contacted the State Department for comment. Learn more US officials reported symptoms of Havana Syndrome in Colombia Reports of US officials suffering from mysterious health problems continued to emerge. As CNN reported , over a dozen US officials who work at the US Embassy inColombia and their family members have reported symptoms consistent with Havana Syndrome in recent weeks, according to a US official and a source familiar with the matter. Lawmakers called on Ben to appoint a new senior official to lead State Department efforts to respond to incidents following the departure of Ambassador Pamela Spratlen after six months on the job. This position should be a senior official reporting directly to you. this person to have the experience to effectively engage with those affected and with the interagency, they wrote. The letter praised President Joe Biden for the signing of the HAVANA Act in the law, and Ben urged its speedy implementation a priority. Biden signs a bill that will offer victims of the mysterious 'Havana syndrome ' better medical care Many victims have waited for this legislation to be passed to gain access to financial and medical support indispensable, they noted. The president's signature and bipartisan support behind the law sends the unambiguous message that all concerned must have access to benefits and financial support. We ask for your swift implementation of these provisions to ensure that the victims of these attacks receive access to care and treatment. We owe it to our diplomats to make every effort to try to ensure a full recovery, they said. The letter was also signed by Sens. Marco Rubio, R-Florida; Ben Cardin, D-Maryland; Chris Coons, D-Delaware; Bill Hage rty, R-Tennessee; Tim Kaine, D-Virginia; Brian Schatz, D-Hawaii; Cory Booker, D-New Jersey ; and Mitt Romney, R-Utah.