Where is Dela Rosa? Philippine senator outmanoeuvres president in evading arrest

Chaotic week in which enforcer of war on drugs' flees senate building leaves government looking incompetent'

The wanted man outran security agents, rallied protesters and even serenaded the media with a military hymn. Then, after a sudden exchange of gunfire, the Philippines' most controversial lawmaker slipped out of the heavily guarded senate building in the middle of the night.

Senator Ronald dela Rosa, who is wanted by the international criminal court for crimes against humanity, is now nowhere to be seen.