Police have renewed their appeal for information, one year after 42-year-old Wayne Stockdale was shot in the head in Bow.
A video posted online apparently shows military equipment, being used as part of Olympics security, left unguarded outside London flats.
Missile systems have been deployed in south-east London, in preparation for a training excercise ahead of the Olympics.
Detectives investigating the murder of Eric Paul in Bow have today arrested a man.
A 36-year-old man was arrested at an address in Bow on suspicion of murder. He currently remains in custody at an east London police station pending further enquiries.
Officers were called by the London Ambulance Service shortly before 3.00am on Saturday 22 December to reports of a man suffering multiple stab injuries.
Eric Paul, 50, of Matthews House, Burgess Street, Poplar, was found in the street in Devons Road, at the junction with Gale Street, E3.
The Air Ambulance also attended and Mr Paul was treated at the scene before being taken to the Royal London Hospital. He was subsequently pronounced dead at 5.11am.
A post-mortem examination at Poplar Mortuary gave the cause if death as a stab wound to the chest.
A man has been sentenced at the Old Bailey to life imprisonment to serve a minimum of 14 and a half years for the murder of his wife, Rushna Begum in Bow earlier this year.
Sheikh Shahidul Islam, 35, of Newmill House, Devas Street E3, had previously pleaded guilty on 19th November to murdering his wife at their home.
Police were called at 4.20pm on 25th May, following concerns for the occupant of the address in Devas Street.
Officers attended and found the body of a 28-year-old woman who was pronounced dead at the scene. She was Rushna Begum, a mother of two young sons.
She was found with three stab wounds; one to the neck and two to her left arm.
Police have surrounded a flat in Jodrell Road in Bow where a man has barricaded himself. He is believed to be armed with a knife.
Hundreds of East Londoners will hit the streets later today in protest at government plans to site missiles on local estates as part of security measures for the Olympic games.
The demonstration is calling for the ground to air missile plans to be scrapped.
Protesters will be addressed by councillors, trade union officials and local religious leaders before marching to Bow Quarter - one of the proposed missile sites - from 1pm.
Official Cockneys are becoming an endangered species because rising noise levels in London are drowning out the sound of the Bow Bells.
Traditionally a Londoner must be born within earshot of the bells to be a true Cockney, but their range is reducing.
Glen Goodman found out more.
Greater Anglia trains going to and from Liverpool Street are being delayed by up to 30 minutes after a vehicle collided with a bridge at Bow.