they are just unthinkably heartbreaking. and young children on a fun day out together with their families, and it turns to such horrific tragedy.at this time of year, itjust breaks your heart. witnesses described chaotic scenes as parents rushed to the school. an investigation is now under way to find out how this happened and why families are mourning the loss of their children on a day when they were celebrating the end of the school year. shaimaa khalil, bbc news. in the last hour, the bank of england has raised interest rates. they ve gone up from the historic low of 0.1% to 0.25%. it follows yesterday s news of inflation going beyond 5%. live now to our economics correspondent, andy verity, who s outside the bank of england. was this unexpected ?