11.   The attacks underline the difficulty that Russian forces have had in trying to bring the rebel republic under control nearly two years after ground forces entered.

12.   The Chinese leader cautioned Bush to avoid the deaths of civilians in Afghanistan, underlining the difficulty of keeping his fragile coalition together.

13.   The furor surrounding this case has underlined the difficulties Ms. Bhutto faces in trying to curb the rise of fundamentalism in her country.

14.   The higher jobless figures, however, underline the difficulty Germany faces while the economy recovers from a severe recession.

15.   Underlining difficulty of establishing peace is the cruelty of some war episodes.

16.   However, he underlined the difficulty in realising the resolutions and agreements made at large UN conferences.

17.   President Carlos Roberto Reina said Monday that those responsible could be punished, but underlined the difficulty of coming up with hard evidence.

18.   The incident, highlighting the vulnerability of UN troops, underlines the difficulties of the choice faced by the Serbs.