/usr/share/doc/tomcat7/NEWS.Debian.gz is in tomcat7 7.0.52-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/tomcat7/../libtomcat7-java/NEWS.Debian.gz
/usr/share/doc/tomcat7/../libtomcat7-java/NEWS.Debian.gz