The driver was speeding and allegedly under the influence of drugs when she drove the wrong way down a street before ploughing into a city bus on Tuesday Prosecutors said the driver was impaired by drugs and ran a red light before ramming a city bus on Tuesday. Key points and original sources are listed below.

• The driver was speeding and allegedly under the influence of drugs when she drove the wrong way down a street before ploughing into a city bus on TuesdayS1

• Prosecutors said the driver was impaired by drugs and ran a red light before ramming a city bus on Tuesday. Two people died. Compounding the tragedy, a news helicopter also crashed.S2