/usr/share/doc/libicu-dev/NEWS.Debian.gz is in libicu-dev 4.8.1.1-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libicu-dev/../libicu48/NEWS.Debian.gz
/usr/share/doc/libicu-dev/../libicu48/NEWS.Debian.gz