1.   His concern was heightened when he saw a local trouble-maker, a man called Slatter.

2.   The army takeover has heightened international concern.

3.   The attack has heightened concerns about racism in schools.

4.   To heighten concern about the Convention, Broken Promise could not have come out at a better time.

5.   And recent devastating hurricanes like Andrew and Hugo have greatly heightened concern about every such storm.

6.   At the same time, fewer hogs than expected are being brought to market, further heightening supply concerns.

7.   Bonds got a boost in early trading, with yields touching a two-month low, as sputtering stocks heightened concern about the economic outlook.

8.   A considerably weaker-than-expected number could heighten concern the Reserve Bank of Australia will cut interest rates to stimulate economic growth, traders said.

9.   A government report showing surprisingly strong durable goods orders in January heightened concern that the Federal Reserve will raise interest rates to quell inflation.

10.   A spate of new sales by producer countries in Latin America in recent weeks heightened concerns that many growers have sold as much as they can.