/usr/share/doc/libpqxx3-dev/NEWS.gz is in libpqxx3-dev 3.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libpqxx3-dev/../libpqxx-3.1/NEWS.gz
/usr/share/doc/libpqxx3-dev/../libpqxx-3.1/NEWS.gz