Colombian officials say that a military cargo plane with 128 people on board, most of them soldiers, crashed shortly after taking off Monday in southwestern Colombia.

Forensic experts in the Colombian capital are working to identify the remains of a military transport plane crash that killed 69 security forces, while aviation experts investigate the accident.

Colombia has held a ceremony to honor 69 security force members killed in a military plane crash earlier this week.

Colombian companies are making a last-minute effort to pressure the country’s top court to suspend a wealth tax for corporations that comes due next week.

A military aircraft transporting 128 troops and crew members was in an accident as it took off from southern Colombia, military officials said.