1.   Doctors should have warned people off using the drug much earlier than they did.

2.   The campaign warns young people about the dangers of carrying knives.

3.   Had we known about it earlier, we could have warned people of the danger.

4.   The government should step in, warn people, ban the things.

5.   Police are warning people living in shared houses to take security precautions to keep intruders out.

6.   They are warning people living in shared houses to take care.

7.   Anti-cult leaders warned young people in particular not to be lured into the organisation.

8.   POLICE have warned old people and their neighbours to be on the alert after a woman fell prey to bogus council workers.

9.   And so posters went up quickly warning people of symptoms and how to avoid catching it.