BEIRUT - A rocket slammed into a suburb of Beirut on Friday, bringing the conflict in neighboring Syria closer to Lebanon's bustling capital and reviving bitter memories of the country's own devastating civil war.
With skirmishes between Shiites and Sunnis on the rise around the country, religiously mixed and highly vulnerable Lebanon is increasingly buffeted by powerful forces that are dividing the Arab world along sectarian lines.
There were no casualties from the rocket, which struck a Christian area southeast of Beirut overnight, but the incident raised fears that Lebanon was being sucked into a war that has already paralyzed state institutions and strained its economy with the presence of more than a half-million Syrian refugees.
"This is very, very dangerous," said Pierre Ashkar, head of a syndicate of hotel owners, referring to the potential damage to the tourism industry from such rocket attacks. He said his daughter and her husband were among scores who have canceled plans to come Lebanon.
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"When our kids can't come to Lebanon, I don't know how a French, British or even a Saudi and Kuwaiti can," he told The Associated Press.
For the most part, Lebanon has stayed on the sidelines of the Arab Spring, keeping up its appearance as an oasis of relative stability, which has helped its tourism and entertainment businesses.
The Lebanese, and the tens of thousands of expatriates and Gulf Arab tourists who visit every summer, have learned to live with the country's occasional bouts of upheaval. They include huge street protests after the assassination of a former prime minister in 2005 and deadly street clashes in 2008, when the militant Shiite Hezbollah group briefly overran parts of Beirut.
Beneath the surface lurk the same forces that devastated the country in its civil war, with simmering hatreds still dividing Muslims and Christians, Sunnis and Shiites, and secular and fundamentalist groups.

