Brent rises to $110 on Libya violence, fall in output

* Armed gunmen storm Libya's parliament on Sunday * Libyan oil output falls to 200,000 bpd, from 300,000 bpd last week * Obama, Hollande agree Russia to face further costs over Ukraine * Iran, Western powers make little progress in talks last week (Updates prices) By Jacob Gronholt-Pedersen SINGAPORE, May 19 (Reuters) - Brent crude rose above $110 a barrel on Monday on renewed concerns over ...