The Kardashians' Dash store was the target of an arsonist who threw a burning rag through the window of the store late Monday night ... TMZ has learned.
Law enforcement tells TMZ ... witnesses saw a man throw a weighted, burning rag through the West Hollywood storefront window just after 11:15 PM.
The rag burned itself out inside the store without incident.
Cops found a bottle of lighter fluid outside the store. They're hunting for the suspect.