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A teenager has denied planting a homemade bomb which partially exploded on a train at Parsons Green Tube station, injuring 30 people.
Ahmed Hassan Mohammed Ali, 18, was charged with attempted murder and using the chemical compound TATP to cause an explosion that was likely to endanger life.
He allegedly built and placed an improvised explosive device on a train at or close to the west London station.
Hassan, of Cavendish Road, Sunbury, Surrey, appeared at the Old Bailey before Mr Justice Haddon-Cave.
He appeared via video link from Belmarsh jail wearing a pink sweatshirt, and had short cropped hair and was clean shaven.
Hassan spoke only to enter not guilty pleas to both charges before he was remanded in custody for a two-week trial from March 5.
Terror attack at Parson's Green – in picturesShow all 23 1 /23Terror attack at Parson's Green – in pictures Terror attack at Parson's Green – in pictures Parsons Green explosion A bucket with flames and wires coming out of it was photographed in the carriage after the explosion – apparently the source of the blast
AFP
Terror attack at Parson's Green – in pictures Parsons Green explosion An explosion on a packed Tube train has injured a number of people in west London
AFP/Getty
Terror attack at Parson's Green – in pictures Parsons Green explosion The blast triggered a stampede as commuters panicked
AFP/Getty
Terror attack at Parson's Green – in pictures Parsons Green explosion Click through for more pictures from the scene
Reuters
Terror attack at Parson's Green – in pictures Parsons Green explosioN
Reuters
Terror attack at Parson's Green – in pictures Parsons Green explosion
PA
Terror attack at Parson's Green – in pictures Parsons Green explosion
Reuters
Terror attack at Parson's Green – in pictures Parsons Green explosion
Reuters
Terror attack at Parson's Green – in pictures Parsons Green explosion
AFP/Getty
Terror attack at Parson's Green – in pictures Parsons Green explosion
Reuters
Terror attack at Parson's Green – in pictures Parsons Green explosion
AFP/Getty
Terror attack at Parson's Green – in pictures Parsons Green explosion
AFP/Getty
Terror attack at Parson's Green – in pictures Parsons Green explosion
Reuters
Terror attack at Parson's Green – in pictures Parsons Green explosion
Reuters
Terror attack at Parson's Green – in pictures
Getty
Terror attack at Parson's Green – in pictures
Getty
Terror attack at Parson's Green – in pictures
Getty
Terror attack at Parson's Green – in pictures
Getty
Terror attack at Parson's Green – in pictures
AFP/Getty
Terror attack at Parson's Green – in pictures
Getty
Terror attack at Parson's Green – in pictures
AFP/Getty
Terror attack at Parson's Green – in pictures
AFP/Getty
Terror attack at Parson's Green – in pictures
AFP/Getty
A further hearing was also set for February 23.
Press Association