Jack, right, with fellow volunteers from humanitarian organisation Koridor UA.Jack, right, with fellow volunteers from humanitarian organisation Koridor UA.

Huge nets form tunnels that protect people driving, walking or cycling within them from Russian drones.Huge nets form tunnels that protect people driving, walking or cycling within them from Russian drones.

Jack’s volunteer work takes him to Kherson, on the front line, to deliver first aid equipment to hospitals.Jack’s volunteer work takes him to Kherson, on the front line, to deliver first aid equipment to hospitals.

Jack Topzand is helping repair damaged buildings for Ukrainians.Jack Topzand is helping repair damaged buildings for Ukrainians.