The head of the US Secret Service has been summoned to a congressional hearing over the assassination attempt on former President Donald Trump. The US House of Representatives Oversight Committee has invited Kimberly Cheatle, the head of the US Secret Service, to testify in connection with the attempted assassination of former President Donald Trump during an election rally. The head of the body, James Comer, invited the Director of the US Secret Service to testify at the hearing on July 22. Attempt on Trump’s life Today in Pennsylvania, during a rally, an attempt was made on the life of forme…