ABU DHABI (Reuters) - Ride-hailing services Uber [UBER.UL] and Careem have suspended services in Abu Dhabi, the capital of the United Arab Emirates, since Saturday and did not know when they could resume operations, they said on Sunday.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=N9TOgXvev0g:iJ5xLDMECP0:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=N9TOgXvev0g:iJ5xLDMECP0:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=N9TOgXvev0g:iJ5xLDMECP0:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=N9TOgXvev0g:iJ5xLDMECP0:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=N9TOgXvev0g:iJ5xLDMECP0:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/N9TOgXvev0g" height="1" width="1" alt="" />