A devastating suicide bombing during Friday prayers at a Shiite mosque in Islamabad has left at least 31 people dead and over 170 injured. The Islamic State affiliate has claimed responsibility for the attack, which has intensified focus on cross-border terrorism in the region. In the aftermath, Pakistani authorities have made four arrests, including the alleged mastermind of the attack. The incident has drawn widespread condemnation, with neighboring countries like India and Afghanistan dismissing any suggestions of involvement. Thousands gathered to mourn the victims, emphasizing a collective demand for peace and security.