The phrase "authorities employed" is correct and usable in written English.
It can be used when referring to the authorities that have been engaged or utilized for a specific purpose or task.
Example: "The authorities employed various strategies to ensure public safety during the event."
Alternatives: "authorities utilized" or "authorities engaged".
"It appears the authorities employed excessive force in restoring order," the Presidential spokesman, Larry Speakes, said.
What ultimately brought the most people into the streets were the brutal and violent methods authorities employed against the initial protests.
Day in, day out, these people were living in fear of random attack by the militia and punishment by the very authorities employed to protect them.
In the most rebellious provinces, such as Tambov, the authorities employed indiscriminate terror against the rural population in order to isolate the partisans, resorting to executions of hostages and mass deportations.
The report documents the tactics companies and Kazakh authorities employed to restrict workers' rights, including denying elected union leaders access to company grounds, harassing and threatening workers for participating in legitimate union meetings, and imprisoning union leaders for organizing strikes deemed illegal as a result of overly restrictive national legislation.
Song authorities employed Zhuang people as local officials in what is now Guangxi and Guangdong, where the Song placed them in charge of distributing land to the Yao and other tribal groups.
The days of local authorities employing lots of school improvement officers were over, he said.
Boston University and Guatemalan authorities employ four park rangers to guard Holmul from looters.
It spans 26 of 32 Scottish local authorities, employs 400 people and has a turnover of over £34m.
This has important implications for ethnic monitoring, which on May 31 2002 became a statutory duty for all public authorities employing more than 150 people, including health, education and local authorities, the civil service and so on.
Local authorities are having to spend millions of pounds on social work agencies as they struggle to recruit permanent staff, with some authorities employing nearly half of their children's social workers through private companies, a Guardian investigation has found.
