(Reuters) – A former policeman killed 34 people, including 23 children, during a knife and gun rampage at a daycare centre in northeast Thailand on Thursday, police said, before later shooting dead his wife and child at home and turning his weapon on himself. Here are details of previous school shootings and mass killings of children around the world: \- UVALDE, TEXAS, May 24, 2022 – A gunman burst into a classroom in Uvalde, Texas, and shot dead 19 students, aged 9 to 11, along with two teachers. \- KABUL, AFGHANISTAN, May 8, 2021 – Three explosions by a school in Kabul killed at least 80 peo…