A fire broke out on the set of the upcoming drama series “Knightfall” here.

According to sources, the fire damaged only the show’s exterior sets at Barrandov Studios and there were no injuries to anyone, reports deadline.com.

The extent of the damage is not known yet, but it is believed to be significant. The cause of the fire is under investigation. For now, the plan is to resume production on Monday.

With guest star Jeremy Renner the executive producer “Knightfall” chronicles the mysterious but true accounts of the Knights Templar, the elite warriors of the Crusades.

Founded by brothers Milos and Vaclav Havel, Barrandov is said to be the largest film studio in the Czech Republic and one of the largest in Europe.