Security beefed up at Christchurch Aerospace Summit after 30 arrests in protests last year Security beefed up at Christchurch Aerospace Summit after 30 arrests in protests last year The Press Source: https://news.google.com/rss/articles/CBMixAFBVV95cUxQWTFZRF9Jb0k3WnplV3RCa3ZPSEdoUHVGZVl1eGFrMWd5V1h4SnVGVExJendFR2cwWVBXRDBUeW1GdzZHSXVlVUszRDRyQ3o0dDhWM0tscmZlWWZLcnA2dXRWaTdVVzJmS1FQb1diTGpjcW41SGRaTzF4TmZFV2ZfYWpEVVBYSVFYYy03N2pzSHdaVXhrbk9SaWtObVp2UFVXMkJNN3FCTW1fZ1BaWGtKTnNJcmlHT25mNkFvSWhYOGdmRDMz?oc=5