Antigone's suicide is described by a messenger – the sentries broke in through into the burial cave and saw her hanging by the neck with a noose of silk or muslin from her own clothing.

Why did Antigone kill herself?

When King Creon finds out, he becomes furious and orders Antigone to be walled up alive in a tomb. ... Rather than live in dishonor, Antigone sees it as her religious duty towards the gods and her brother to take her own life by hanging herself.

How did Antigone die in Antigone?

Antigone, moved by love for her brother and convinced of the injustice of the command, buried Polyneices secretly. For that she was ordered by Creon to be executed and was immured in a cave, where she hanged herself. Her beloved, Haemon, son of Creon, committed suicide.