Globally, COVID-19 has affected university students. Throughout the pandemic, international students have been brutally hit. Loneliness and difficulties are the main factors affecting the mental health of overseas students. Transitioning to online learning has presented challenges regarding living conditions and internet access reliability. With the overall aim of investigating the impact of COVID-19 on international students, this study used a questionnaire survey with 545 participants. NVivo and SPSS software were used to analyse data. The outcome demonstrates that several issues were encountered by international university students in the UK during the COVID-19. They mostly used social media and their respective institutes as information sources.