Nine people have been detained in connection with the investigation of the accident, including people who work for the developer and the contractor.

已有九人被拘留，以接受有关这次事故的调查，其中包括为开发商和承包商工作的人员。

youdao

Familiar to project channel and good connection to designer, developer and contractor as preferred.

熟悉工程渠道。以及与设计师及开发者有良好关系的优先考虑。

youdao

This week the New York Times reported that the Central Intelligence Agency (CIA) had once hired Blackwater, a private-security contractor, in connection with a plots to assassinate al-Qaeda operatives.

ECONOMIST: Private security contractors

The five initially were told they were being held in connection with the death in May of another contractor, James Kitterman, according to a source close to the five.

CNN: Briton held over death of 2 contractors in Baghdad