WRAPUP 4-Suicide bomber kills 50 Syrian security men -opposition
* Al Qaeda-inspired bomber strikes in Hama province
* Air strike kills 20 rebels in Idlib -opposition watchdog
* Warplanes, artillery hit southern suburbs of capital
* Feuding opposition meets in Qatar to seek common front
By Mariam Karouny and Tom Perry
BEIRUT, Nov 5 (Reuters) - An Islamist suicide car bomber killed at least 50 Syrian security men in Hama province on Monday, an opposition group said, in what would be one of the bloodiest single attacks on President Bashar al-Assad's forces in the 20-month-old uprising.
Another day of relentless violence in Syria coincided with more unity talks in Qatar among opposition factions.
Syrian state media reported that a "terrorist" suicide bomber had targeted a rural development centre in Sahl al-Ghab in Hama province, putting the death toll at two.
Rami Abdelrahman, head of the Syrian Observatory for Human Rights, said the centre was used by security forces and pro-Assad militia as one of their biggest bases in the area. Continued...