The phrase "authorities working in" is correct and usable in written English.
It can be used to refer to officials or organizations that are actively engaged in a specific field or area of work.
Example: "The authorities working in public health are implementing new measures to combat the outbreak."
Alternatives: "officials operating in" or "agencies involved in".
The case is being investigated by local, state and federal authorities working in cooperation.
The money will be available to NHS trusts and local authorities working in partnership with social care providers.
Funding will go to NHS Trusts and local authorities working in partnership with social care providers to make improvements.
Copley also likes the idea of housing corporations led by local authorities working in partnership with housing associations and the private sector.
Community mental-health services were placed under the jurisdiction of local health authorities working in close association with hospital and outpatient centres.
The money will be available to NHS trusts and local authorities working in partnership with social care providers to help tailor hospitals and care homes to the needs of those with dementia.
Despite efforts to reform the authority system after Moses was pushed out of power in the 1960s, most New York authorities worked in relative secrecy until very recently.
"If the money were ring-fenced and local authorities worked in partnership with particular agencies, it would allow everyone to think more long term, and we could make sure the right families were being recruited for the children coming through the care system".
The Department for Education has also cited WWiSH as a good example of local authorities working together in a report called Further Action on Adoption: Finding More Loving Homes.
Four attempts by smugglers to sell nuclear material to Isis have been thwarted by authorities working with the FBI in Moldova.
The European Commission, the European Central Bank, the International Monetary Fund and Irish authorities were "working in order to resolve the problems of the Irish banking sector," Olli Rehn, the E.U. commissioner for economic and monetary affairs, told reporters in Brussels.
