Mexico casino arson attack shows violence is spreading
President Felipe Calderón calls on Mexicans to unite behind
policy against drug cartels after attack in Monterrey Burnt slot
machines Casino Royale Monterrey Burnt slot machines are seen
inside the Casino Royale after it was torched by armed men in
Monterrey. Photograph: Stringer/Mexico/Reuters  Until recently,
Monterrey was seen by the rest of Mexico as an oasis of
prosperity and peace amid the violence of the country's drug
wars. But this week's attack on a casino, in which at least 52
people died, was a reminder that nowhere is safe.  The victims,
mostly women, died after armed men set fire to the Casino
Royale, which was filled with gamblers and staff, on Thursday.
Rescue workers were continuing to search the remains of the two-
storey building for bodies on Friday.  Mexico's president,
Felipe Calderón, declared three days of national mourning during
a televised address in which he called on Mexicans to unite
behind his government's controversial offe