An independent investigation was launched in March, with interviews conducted with service members involved in the strike, but the results have yet to be released.

Iranian officials have pointed to the strike on the school as a US war crime. The US has said it never intentionally targets civilians.

By Phil Stewart and Idrees AliWASHINGTON, July 13 (Reuters) - Democratic senators led by Kirsten Gillibrand called on Monday for President Donald Trump's administration to…