The Police Department in northern Cao Bằng Province made the announcement regarding the leak of the test, which has caused public concern over the past few days. However, due to strict invigilation during the exam, H. did not use the phone to look at the answers. After receiving the exam paper from H. via Messenger, T. solved and sent answers for question 1, question 4 in the reading comprehension section, and question 1 in the essay section. A few minutes later, T. deleted these images, but the exam paper had already spread online. The leak of the exam paper has been determined to involve only three individuals.
