. Flags fly at half staff above the Ministry of Defence and other government buildings in London Thursday March 23, 2017, with Westminster Bridge the scene of an attack in foreground.  On Wednesday a knife-wielding man went on a deadly rampage, first driving a car into pedestrians on Westminster Bridge then stabbing a police officer to death before being fatally shot by police within Parliament\'s grounds in London.  (AP Photo/Tim Ireland)
{"Image Make": "Canon", "Image Model": "Canon EOS-1D X", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS5.1 Macintosh", "Image DateTime": "2017:03:23 11:55:09", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "212", "EXIF ExposureTime": "1/2000", "EXIF ExposureProgram": "Manual", "EXIF ISOSpeedRatings": "400", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2017:03:23 11:20:22", "EXIF DateTimeDigitized": "2017:03:23 11:20:22", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ApertureValue": "18325/3649", "EXIF ExposureBiasValue": "0", "EXIF SubjectDistance": "4294967295", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "200", "EXIF SubSecTime": "46", "EXIF SubSecTimeOriginal": "46", "EXIF SubSecTimeDigitized": "46", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExposureMode": "Manual Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF BodySerialNumber": "273011000114", "EXIF LensModel": "EF70-200mm f/2.8L IS II USM", "EXIF LensSerialNumber": "0000805226"}