LONDON, May 8 (Reuters) - Northwest European gasoline refinery margins rose by about 90 cents on Friday to $26.91 a barrel, supported by tighter supplies and strong buying demand.

• About 23,000 metric tons of E5 gasoline barges traded in the Argus window as BP, Shell, Equinor and Trafigura sold to TotalEnergies.

• An additional 9,400 tons of E10 gasoline barges changed hands, with Shell, Total, and Trafigura selling to MB Energy, Van Raak and Exxon.

• Gasoline stocks held independently in the Amsterdam-Rotterdam-Antwerp refining and storage hub fell about 6.3% on the week, data from Dutch consultancy Insights Global showed on Thursday, while naphtha stocks fell 4.3% to 374,000 tons. ARA/

• Libya's 120,000 barrel per day Zawiya oil refinery has been closed and an emergency declared after clashes erupted near the facility, two engineers and the refinery's operator said on Friday.

• U.S. consumer sentiment slumped to a record low in early May as higher gasoline prices weighed on household finances and purchasing power, a survey showed on Friday.