Update at 7:55 a.m. ET: NWS Forecaster Joe Lowery tells the AP the Mississippi River may crest late tonight in Memphis, hours earlier than the prior forecast.
The Mississippi River is expected to crest in Memphis tomorrow at 48 feet, very close to its record. The Memphis Appeal says the river is three miles wide in the city where it's usually about half a mile. Reuters says hundreds of people in low-lying areas are being warned to evacuate while it's still dry.
A national survey says the average price of a gallon of regular gas is $4 per gallon. The Lundberg Survey says it's below the record of $4.11 per gallon, set in July, 2008, according to Reuters. The most expensive gas was in Chicago at $4.50 a gallon; the cheapest was Tuscon, at $3.62.
At least 12 people died in Cairo on Saturday when Coptic Christians and Muslims fought at a church and separately at an apartment building. NPR's Martin Kaste tells Morning Edition the fighting erupted after rumors surfaced the Copts held a woman against her will who wished to convert to Islam. Martin says the rumors weren't proven but the violence was; hundreds of people were hurt and a church was also burned.
Tens of thousands of people gathered in Mexico City Sunday protesting drug violence. It began as a peace march four days earlier honoring the slain son of Mexican poet Javier Sicilia; it ended in the capital with a blistering speech by Sicilia, demanding government resignations. The AP estimates nearly 35,000 people have died since 2006 - that's when current president Felipe Calderon began using federal forces to battle drug gangs.