German Chancellor Olaf Scholz was set to visit the western German city of Solingen on Monday, three days after a knife attack which claimed the lives of three people. The attack took place on Friday evening at a market square in Solingen’s city centre during the Festival of Diversity, which was being thrown to celebrate the city’s 650th anniversary. Two men, aged 67 and 56, and a 56-year-old woman were killed while eight others were wounded, four of them seriously, according to the local police chief. Scholz’s visit, set to begin at 9:30 am (0730 GMT), includes a memorial service for the victi…