Warning... Insidious Evil Personnel Detected

While still focusing how should I get many things around me to be done, such as they very long assignment, services, interviews, personal matters...

Suddenly... SIREN!!!!!!!!!!! (Warning! Warning! Insidious Evil Personnel Detected! Evacuate immediately or switch on defensive perimeter)

Luckily Tzmin switched on the perimeter in time and save the day from those pesky "intruders", oh what a nuisance they are. (Perimeter Secured)