* Gaza fighting subsides with Hamas backing 24-hour truce
* U.S., EU prepare more sanctions on Russia over Ukraine conflict
* U.S. allowed Kurdish oil cargo to unload off Texas on Sunday
By Florence Tan and Theodora D'cruz
SINGAPORE, July 28 (Reuters) - Brent crude slipped below $108 a barrel on Monday as fighting between Israel and Hamas Islamist militants subsided in Gaza, but some analysts said falls may be limited.
Geopolitical tensions in the Middle East eased for now after Hamas said it backed a 24-hour humanitarian truce. U.S. President Barack Obama had called for a ceasefire but there was no sign of any comprehensive deal to end fighting with Israel.
September Brent crude fell 50 cents to $107.89 a barrel by 0321 GMT after a 1 percent gain last week.
U.S. crude futures for September delivery dropped 52 cents to $101.57 a barrel after ending last week 1 percent lower.
"Oil markets are going down because of a ceasefire for 24 hours in Israel and Gaza," said Ken Hasegawa, a commodity sales manager at Newedge Japan. "This has definitely put some pressure on oil."
Hasegawa said oil prices were expected to stay in a range of $105-$110 for Brent and $100-$105 for West Texas Intermediate.
Oil remained underpinned by tension in hotspots such as Libya and eastern Ukraine despite ample supply of crude and oil products globally.
"I would expect to see some buying support around these levels it is trading at right now," said Ben Le Brun, a markets analyst at OptionsXpress in Sydney.
"We are still keeping a very, very close eye on what's happening in the Middle East at the moment, so that should say oil prices are quite well supported."
Libyan Special Forces and Islamist militants clashed over the weekend, resulting in at least 36 deaths in Libya's eastern city of Benghazi.
The United States and the European Union prepared more economic sanctions on Russia over the Ukraine conflict, where fighting has intensified in the east.
Global markets may also see more oil exported out of Iraqi Kurdistan after the U.S. Coast Guard cleared a tanker to unload a cargo off Texas on Sunday. A State Department official signalled that Washington would not intervene to block delivery of the controversial crude.
Investors are gearing up for more economic data from the United States later this week, including second-quarter GDP figures, to gauge the health of the world's largest economy.
"There's going to be very strong economic data coming out of the U.S. and perhaps traders are doing a little bit of position-squaring before the data comes out," Le Brun said. (Reporting by Florence Tan; Editing by Alan Raybould)