The number of people applying for asylum in the UK has been going up recently. That's the main reason why people are talking about this.
Asylum applications in the UK
2002 85,865
2001 71,700
2000 80,315
1999 71,100
1998 46,000
1997 32,500
These numbers don't include the children or other family members that the asylum seeker might bring into the UK with them.
In 2002 there were 85,865 asylum applications, if you count the families as well the number goes up to 110,000.
This was one fifth more than in 2001.