The embattled regime of Syrian President Bashar Assad promised Thursday to observe a UN-proposed truce during a four-day Muslim holiday, while rebels claimed major gains in the key battleground of Aleppo. But prospects of the cease-fire taking hold are dim, given Assad’s history of broken promises and the rebel momentum in Aleppo, Syria’s largest city, where fighters said they advanced into several regime-held neighborhoods.
Unlimited access to BostonGlobe.com for only 99 cents for the first 4 weeks.Sign up
Are you a home delivery subscriber?
Get FREE access as part of your print subscriptionStart Here
Contact us for help