hi it sounds like your son is now getting to the stage wher a little sitting on the stairs or chair is ready to be brought in,being angry is an emotion of course but angry and demanding is something you dont want to ignore or encourage by saying to him sit on there intil you calm yourself down and that you will listen when he has will teach him to know he can still get through to you what he needs or wants you to understand with out getting angry and upset at his age hes still learning to express himself but getting to know the right and wrong way willbe down to you to teach him up to now hes only known how to cry for what he needs now hes getting to 3 hes got to learn to control that,its al part of terrible 2 and 3 normal behavour just nip it in bud repetative sitting him on chair to calm and gradually if it keeps up he will get out of it,good luck

If you want a peaceful child without ever punishing or threatening, read the book, Raising Our Children, Raising Ourselves. You will learn to understand how he learned to rage and how to bring this trend to a final end in kind ways.