1. Lights clipped onto life jackets improve the chances of rescue.
2. The air rescue operation has now been scaled down.
3. Paramilitary police units are taking part in rescue efforts.
4. Rescue workers are digging through the rubble in search of other victims.
5. Rescue crews had scoured an area of 30 square miles.
6. Rescue services have been working round the clock to free stranded motorists.