MADRID (Reuters) – The Spanish chief prosecutor ordered on Tuesday a probe to clarify the circumstances that led to the death of at least 23 migrants trying to cross into the Spanish enclave of Melilla last Friday amid clashes with Moroccan and Spanish security forces. About 2,000 migrants took part in the attempt to storm a border post with about 100 managing to get across. Both Morocco and Spain have denied using excessive force. “The State Attorney General’s decision is based on the importance and seriousness of the events that took place, which could affect human rights and the fundamental…