United Kingdom, Sept. 14 -- Zach Hickerson has hinted "rumours" surrounding Hayden Panettiere's death led to him and his brother Brian Hickerson getting embroiled in a bar fight.

The siblings - who were present when the Heroes actress passed away last month aged 36 - were taken in by police on Saturday (12.09.26) at the Wild Wing Cafe in Greenville, South Carolina, following reports of an assault and, after being released from jail, Zach expressed his frustration about stories spreading online.

Asked what happened during the bar fight, Zach told TMZ: "It's just super frustrating all that we've been through and all the rumours that get started and then people believe them and then they attack as a result of the rumours. That's what p****...