No credibility in Italian schools bomb alerts, government source says

​Checks ‌carried out ​by ‌Italian authorities show no evidence that ‌bomb threats sent ‌to schools across the country ⁠are ​credible, ⁠a government source ⁠said on Wednesday, ​calling the threats ⁠part of a ⁠strategy "aimed ​at generating alarm and ⁠concern".