Mexico rules out engine failure in copter crash

MEXICO CITY (AP) — Mexican officials ruled out engine failure in the helicopter crash that killed the government's No. 2 official, saying Sunday that all evidence in the investigation so far points to an accident.

Civil aviation director Gilberto Lopez Meyer said at a news conference that a study of radar images led investigators to conclude that up to the last seconds of the helicopter's flight, its path did not change and conditions were normal.

Lopez said there were no signs the pilot lost control of the helicopter before it smashed into a mountainside south of the capital Friday morning.

Officials have blamed sudden foggy conditions, which they speculate forced the …