(Adds details and background) By Sylvia Westall and Amena Bakr KUWAIT, March 26 (Reuters) - Arab leaders, at loggerheads over numerous issues including Egypt and Syria, pledged at the end of a two-day summit in Kuwait on Wednesday to work to end their divisions. The 22 members of the Arab League also de**unced killings of civilians by the Syrian government. "We pledge to work decisively to put a final end to divisions," read their final statement, read out to media by Kuwaiti Foreign Ministry undersecretary Khaled al-Jarallah. Three weeks ago, Saudi Arabia, the United Arab Emirates and Bahrain recalled their ambassadors from Qatar, accusing it of failing to abide by an accord **t to interfere in fellow Arab states' internal affairs.