"In the middle" means at the center of a space, time, or process, not at the edges. It can also mean caught between two sides, roles, or choices. Often used for location, timing, or being involved in something.
Accompanied by a narration all the while: “We are in the middle of war. Source: Internet
A boulder sits in the middle of the Curtis Johnson's yard after being pushed up nearly 90 years ago. Source: Internet
A boxer in the middle of a practice fight at a local gym in Havana, Cuba. Source: Internet
According to the game's Twitter account, Big Yeetus will randomly appear in the middle of levels in order "to shake things up." Source: Internet
According to him, removing service chiefs in the middle of a fight against insurgency may not be right. Source: Internet
A couple of weeks later, Penny says dog poo started being left in their front garden, which their home’s CCTV revealed was from one particular neighbour walking his dog in the middle of the night. Source: Internet