WATCH: Helsingborg condemn crowd trouble after Henrik Larsson's son attacked on pitch

"If they (hooligans) come, they come. We have many dogs at home."

Helsingborg are investigating crowd trouble that saw manager Henrik Larsson's son attacked on the pitch after the club's relegation was confirmed.

Video footage posted on social media showed 19-year-old Jordan Larsson being confronted by a group of hooded Helsingborg supporters at the end of the 2-1 defeat to Halmstad on Sunday and forcibly having his shirt removed.