Run this at https://overpass-turbo.eu/s/1Z3i
/*
This has been generated by the overpass-turbo wizard.
The original search was:
“"Fire Station" or police”
*/
[out:json][timeout:25];
// gather results
(
nwr["amenity"="fire_station"]({{bbox}});
nwr["amenity"="police"]({{bbox}});
);
// print results
out geom;