Police in Serres, northern Greece, have made two arrests in relation to the deadly explosion of a school boiler in which an 11-year-old boy was killed and two other pupils, aged 6 and 10, were injured.
Police in Serres, northern Greece, have made two arrests in relation to the deadly explosion of a school boiler in which an 11-year-old boy was killed and two other pupils, aged 6 and 10, were injured.