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UI
Outline
ikooni outline: Free Basic
Error, Caution, Alert
Black
512x512
Mixed
bitsies!
fault, problem, Error
Halloween
Filled outline
halloween, skull, scary
Amenities - Outline
light, fire, Extinguisher
Glyph
Amenities - Solid
Extinguisher, Burn, Flame
Handdrawn
Social Messaging & Productivity
danger, Attention, Error
PNG SVG MORE
Simple darkcon
warning, Error, skull
324x512
problem, warning, Caution
Desktop apps
Minicons
warning, Alert, Dialog
iOS7 optimized
Streamline - Free
streamline, destroy, skull
PNG ICO ICNS MORE
Photorealistic
Desktop Halloween
user, kill, Caution
256x256
pet, catty, danger
Connection, insects, spider's web
Gaming & gambling
3D
Free Game Icons
warning, Blaze, Attention
64x64
danger, Explosion, Bomb
medical, medicine, skull
48x48 Free Object Icons
Alert, fire, combust
48x48
bombshell, Bomb, war
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Business & finance
24x24 Free Application Icons
stop, Abort, Block
24x24
Signs & symbols
Free 3d Glossy Interface Icon Set
Attention, Error, cautious
warning, danger, Alert
Prompt, danger, exclamation
Prompt, help, danger
Free Applications Icons
Alert, hanger, warning
