LIMA (Reuters) - Leftist candidate Pedro Castillo is leading in the Peruvian presidential election with 15.8% of votes, according to a first official release of results with 11.4% of votes counted. Castillo was followed by liberal economist Hernando de Soto with 14.48% of the vote, followed by ultra-right candidate Rafael Lopez Aliaga with 13.13% and Keiko Fujimori with 12.19% of the vote, electoral officials said in a live broadcast.