Mideast envoy Tony Blair on Tuesday called off what would have been the first visit of a top Western diplomat to Hamas-ruled Gaza, citing a “specific security threat.” Blair's visit Tuesday was to have included a tour of a Gaza waste water project and meetings with traders and UN officials, but not with leaders of Hamas Still, Hamas had made security arrangements for Blair, setting up checkpoints in areas he was expected to tour, banning cars from using roads, and lining streets with black-clad policemen carrying AK
