gaza take long firework smoke clear gaza palestinians start question whether unity deal two powerful factions would hold thousands take streets overnight celebrate pact fatah hamas seal cairo loudspeakers blast national songs youngsters wave palestinian egyptian flag dance hug one another happy happy ali metwaly 30-year-old computer engineer say morning still afraid end disappointment leaders teach easily disappoint us hope time reconciliation pact hamas hand administrative control gaza include rafah border cross main gateway world two million palestinians territory government back mainstream fatah party decade ago hamas force seize gaza strip fatah force brief civil war past egyptian mediation attempt reconcile two rival fail achieve last result late clinch elusive agreement economic squeeze hamas analysts say deal likely stick early ones give hamas grow isolation realization hard gaza economy hobble border blockade infrastructure shatter war israel govern rebuild huwaida al-hadidi 34-year-old mother-of-seven economic relief come soon enough like 250,000 people territory husband unemployed unable pay rent family live tent since landlord evict three days ago sign reconciliation deal god-willing blockade lift people find work able earn live children say control gaza border cross israel egypt fatah-dominated palestinian authority exercise limit self-rule occupy west bank could allow free movement people goods across frontier agreement 3,000 fatah security officer join gaza police force although hamas would remain powerful arm palestinian faction around 25,000 well-equipped militants hamas fatah also debate potential date presidential legislative elections reform palestine liberation organization charge long-stalled peace efforts israel last palestinian legislative election 2006 hamas score surprise victory trigger political rupture hamas fatah eventually lead short civil war gaza palestinian political commentator mustafa ibraham say major issue election date agreement common political agenda still outstanding palestinians cautious important detail postpone open interpretation disagreement say facebook post hamas fight three war israel since 2008 consider terrorist group west say abandon arm resistance israel say hamas must disarm reconciliation meaningless joy mix caution gaza palestinian unity deal