MINNEAPOLIS -- 6:05 p.m. -- The entire span of the Interstate 35W bridge collapses where the freeway crosses the river near University Avenue. Tons of concrete collapses, and people are injured. Survivors are being carried up the riverbank.

6:08 p.m. -- Some people are stranded on parts of the bridge that aren't completely in the water. A tractor-trailer is on fire at the collapse scene. Dozens of rescue vehicles arrive. Divers are also in the water.

6:10 p.m. -- A school bus had just crossed the bridge before it collapsed. The bus did not go into the water, and broadcast reports indicate the children on the bus exited the back door. Christine Swift's daughter, Kaleigh, 10, was on the school bus, returning from a field trip. Swift says her daughter called her screaming, "The bridge collapsed."

6:15 p.m. -- Aerial shots from local television stations show the entire span of I-35W crumpled into the river below.

7:10 p.m. -- A Major League Baseball game between the Kansas City Royals and the Minnesota Twins begins as scheduled. Officials say they did not postpone the game because they did not want to congest the area with more traffic. A game scheduled for Thursday night is postponed.

7:35 p.m. -- It is not clear how many people are injured. Official reports indicate at least eight cars and a truck are submerged in the river.

7:40 p.m. -- WCCO-AM reports that one body was seen being pulled from the area, covered with a blue sheet.

8:25 p.m. -- The Homeland Security Department says it has received no indications that the collapse was related to an act of terrorism. "At this time, there's no indication of a nexus to terrorism," department spokesman Russ Knocke said in Washington.

8:52 p.m. -- A hospital doctor says at least one person has died and 28 are injured in the collapse into the Mississippi River.

9:15 p.m. -- Minneapolis Mayor R.T. Rybak says six people died -- one by drowning -- in the collapse of an interstate bridge over the Mississippi River.

10:24 p.m. -- Officials say that the rescue mission has turned into a recovery effort.

10:30 p.m. -- Officials confirm that seven people have died and more than 60 people are transported to local hospitals.

11:40 p.m. -- Officials report that seven people have died, 61 people are injured and 20 people are missing.

Thursday morning -- Based on information from the medical examiner, police revise the death toll to at least four and say they expect it to increase throughout the day. Hospitals say they treated 79 injured people. Officials estimate 20 to 30 people are still missing.

6 a.m. -- Recovery crews resume efforts.

9:55 a.m. -- President George W. Bush says during a news conference: "We in the federal government must respond, and respond robustly, to help the people there not only recover, but to make sure that lifeline of activity -- that bridge -- gets rebuilt as quickly as possible."

10:00 a.m. -- During a news conference in Minneapolis, Transportation Secretary Mary Peters announces a $5 million grant to help pay for rerouting traffic patterns in the area. The NTSB says it is "clearly too early" to determine what caused the collapse, and that a team will reassemble parts of the bridge to see what may have caused the collapse. Officials say rescuers are working in a "tremendously dangerous scene." Minnesota Gov. Tim Pawlenty thanks citizens who "ran to the challenge and danger to be helpful ... a reflection of Minnesotans' goodness."

11:11 a.m. -- Pawlenty orders an immediate inspection of all bridges in Minnesota that have a design similar to that of the bridge that collapsed Wednesday.

11:30 a.m. -- The Waite House holds a news conference where officials say more than 50 people were on the school bus that was on the bridge after coming back from a field trip. Ten people were admitted to hospitals Wednesday night.

12:45 p.m. -- A dozen divers search the river looking for bodies and writing down license plate numbers of sunken vehicles. In the water and on the bridge, officers mark cars as they treat the area like a crime scene.

2:00 p.m. -- Pawlenty says the 2005 and 2006 inspections found concerns with the bridge, but there was no call for immediate action.

2:20 p.m. -- The Minnesota Department of Transportation says an average of 141,000 vehicles used the bridge each day. Officials say in 1993 they began conducting annual inspections of the bridge, which was considered "structurally deficient." This year's partial inspection found there was no growth in pre-existing cracks.

2:30 p.m. -- Officials say construction workers were patching the tar and performing work on the bridge's joints before the collapse.

3:15 p.m. -- First responders say they arrived at the scene three to four minutes after the bridge collapsed. The officers say the situation was "exceptional," that they took off their gun belts and left them behind as they rescued people -- many of whom they described as "hysterical" -- off the fallen bridge.

3:45 p.m. -- NTSB asks witnesses with photos or video of the bridge collapse to call its witness hotline to provide information.

4:03 p.m. -- President Bush announces he will visit Minneapolis on Saturday.

4:15 p.m. -- Pawlenty gives a news conference where he says rescuers are working with NTSB to not disrupt the scene. Divers are being slowed by debris and a strong current in the river.

6:00 p.m. -- Officials release the names of the four confirmed dead: Sherry Engebretsen, Julia Blackhawk, Patrick Holmes and Artemio Trinidad-Mena. Earlier in the day, Engebretsen's daughters and husband spoke with the media about how they hadn't heard from Sherry since before the collapse, and that they were hopeful that she was still alive.

6:30 p.m. -- U.S. Secretary of Transportation Mary E. Peters calls on all states to immediately inspect any steel deck truss bridges similar to the bridge that collapsed in Minneapolis. There are 756 of the bridges across the United States.

Friday, 6:30 a.m. -- The medical examiner says a fifth body has been recovered.

7:30 a.m. -- The Hennepin County sheriff says the number of missing is reduced to eight.

10:30 a.m. -- First lady Laura Bush arrives to visit the scene and meet with families of the victims.

1:05 p.m. -- Officials says the day's recovery search has gone better than expected, and divers have located five submerged vehicles.

3:45 p.m. -- The NTSB says it believes the bridge shifted as it began to collapse.