World leaders reacted with shock on Sunday after the attempted assassination of former US president Donald Trump at a campaign rally in Pennsylvania. Trump was speaking at a rally north of Pittsburgh when several shots were fired. The Republican Party candidate, who is running in November’s presidential election against incumbent President Joe Biden, was hit in the ear and escorted off stage by Secret Service agents. A rally attendee was killed and two were critically injured in the incident, the US Secret Service said, while the suspected shooter was also killed. German Chancellor Olaf Scholz…