1.   A gang of youths are roaming the city, vandalising stores, starting fires, and terrorizing people.

2.   An electrical short circuit started the fire, they think.

3.   Finally, we started re-turning fire, and at that point, the mech unit finally got there.

4.   He hands me a billy and suggests I get some snow for water and a few twigs to start the fire.

5.   I started a fire to warm the place up.

6.   Investigators hope to shed light on what started the fire.

7.   It started a fire which spread to the river bank.