sanaa university today. at least 110 people were hurt. protesters are angry over high unemployment and what they see as government corruption and a lack of political freedom. two men with ties to egypt's former leader have been arrested for orchestrating this assault on protesters in cairo's tahrir square. armed attackers charged through the crowd on horses and camels last month. nine days later, hosni mubarak was overthrown. and in the u.s., new york police and the ntsb are investigating a bus crash that killed 14 people. there are conflicting reports about what caused the bus to flip and swerve into a pole yesterday. the driver says he was cut off by a semi truck. but witnesses say the bus was speeding. >> the bus turned on its side and as a result, the pole of the stanchion in essence cut the bus