21.   But more trouble loomed Monday.

22.   But there is still no date for talks between the two governments, and more trouble looms on the horizon.

23.   Economic troubles loom for Ukraine despite seeming stability.

24.   Even before the government ultimatum, trouble loomed down the road because of differences over an international peace plan.

25.   More trillion-dollar software troubles loom, experts say.

26.   More troubles are looming as some of the biggest names in retailing lay plans for thousands of layoffs in response to slumping consumer demand.

27.   New trouble also loomed overseas.

28.   Now new trouble looms.

29.   On another subject, however, trouble looms for the meeting.

30.   Other troubles also loom.