Sept 1 (Reuters) - Here is a snapshot of Reuters news about the crisis in Syria:
* Syria hails "historic American retreat," mockingly accuses Obama of hesitation, confusion after he delays military strike to consult Congress.
* U.S. Secretary of State Kerry says tests have shown sarin nerve gas was fired on rebel-held areas near Damascus.
* Comments from top Republicans and Democrats indicate how complex the debate will be - and raise doubts whether Obama will win their authorization.
* Kerry tips his hand on one tactic the administration will use - linking congressional vote to safeguarding Israel from Syrian chemical weapons threat.
* Arab states call on international community to take action against Syrian government over attack.
* In Damascus, Syrians react with mixture of relief, disappointment and scorn to Obama's decision.
* France says it would await Congress's decision. Poll shows most French people do not approve of military action against Syria.
* Saudi Foreign Minister Saud al-Faisal says Riyadh would back a U.S. strike on Syria if the Syrian people do.
* Pope Francis calls for negotiated solution, announces he would lead a worldwide day of prayer for peace in the country. QUOTE:
* "I can share with you today that blood and hair samples that have come to us through an appropriate chain of custody, from east Damascus, from first responders, it has tested positive for signatures of sarin." - U.S. Secretary of State John Kerry on CNN's "State of the Union."
* Obama departs late on Tuesday for Sweden and a G20 summit in Russia. (Compiled by Xavier Briand)