Electronic dance music group Krewella have been slapped with a lawsuit from a former member over his dismissal from the band.

Kristopher Trindl claims he was forced out of the group earlier this year (14) after he completed a stint in rehab, according to Tmz.com.

He alleges sisters Jahan and Yasmine Yousaf attempted to stage a second intervention and force him back into rehab because he appeared to be depressed and they felt he needed further treatment, and when he disagreed, they fired him.

However, in the lawsuit Trindl admits to relapsing twice and missing the Electric Daisy Carnival festival.

He is now seeking $7 million (Gbp4.4 million) from the Yousaf sisters.