OAKLAND -- Six people were shot over a nine-hour hour period Monday in different parts of the city.

One man was in grave condition while the others were in stable condition and none of the shootings appear to be connected.

The latest shootings happened in East Oakland.

The 32-year-old man left in grave condition was shot about 9:48 p.m. on the 3100 block of Brookdale Avenue near Coolidge Avenue in the Fruitvale District. His half-brother was also wounded in the shooting. The gunman fled in a car. No motive was immediately established.

At 6:33 p.m. a man was shot in the 1400 block of 70th Avenue. The suspects fled in a car. No motive was released.

At 4:51 p.m. a person was shot in the 1400 block of 8th Avenue by a gunman who fled on foot. Police don't have a motive yet.

At 3:30 p.m. a man was wounded in a drive-by shooting in the 5800 block of Shattuck Avenue near Bushrod Park in North Oakland. Another person was nearly wounded. The motive is unknown and no arrests have been made.

The day's first shooting happened at 11:50 a.m. when a man was wounded in the 500 block of 28th Street not far from the Pill Hill area. The gunman fled in a car. The motive is unknown.

Police and Crime Stoppers of Oakland are offering up to $5,000 in reward money in each shooting for information leading to the arrests of suspects. Anyone with information may call police at 510-238-3821 or a tip line at 510-7732805 or Crime Stoppers at 510-777-8572 or 510-777-3211. Tips can also be sent anonymously via text message. Test to 888-777 and include the words TipOaklandPD.