hadn't come to get them after they'd waited longer than agreed

wasn't leading the group that had been assigned to him

had left behind his lucky cardigan, which he had been wearing earlier

couldn't be reached when they called his mobile phone

The creature was freed when the opened a door, which then auto-closed.

A cold air blew through the tunnel, making the creature freeze on the spot.

Gus grew suddenly ill after getting stung by the creature's unusual stinger.

Rubble crushed the creature when the ground began to shake under their feet.

made a crying sound like a human baby

were trying to protect the babies on their backs

had the baby that had gone missing earlier

couldn't chase them, as the bushbabies were hurt

The friends were surrounded by spider mandibles.

Spider venom was dripping down the web onto the friends.

The spiders were a new breed mixed with scorpions.

A fire exit was on the far side of the room from the friends.

He had slipped and hit his head while following a sound.

One of the spiders had escaped as he explored the tunnel.

Hume had called him, cancelling his trip to the school that night.

A dinner lady had warned him away from the gate earlier that day.