cordon, roadblocks, blockades, checkpoints, pickets, entrances, barbed wire, gates, protesters, demonstrators, barriers, bollards, railings, fences, chainlink fence, riot, mobs, marchers, antiriot, sandbags, rioters, entranceway, scaffolding, tear gas, fireguard, vehicular traffic, sawhorses, batons, bandobast, perimeters, palings, tents, streets, lampposts, boulders, obstructions, sidewalk, tarps, bonfires, agitators, embankments, barbwire, berm, fortifications, throngs, walls, ramparts, bulldozers, shatterproof glass, encampments, caltrops, thoroughfares, shutters, teargas, doorways, signboards, walkways, balconies, plainclothes, flagpoles, detours, flagmen, shields, housetops, guardrail, loudspeakers, jeeps, guardhouses, cones, dividers, stairways, cordon sanitaire, motorcade, retaining wall, cobblestones, encamping, paddy wagon, phalanx, rocks, convoys, firewalls, pavement, pontoon bridge, canopies, overpass, alleyways, battlements, cavalcades, watchtower, scuffles, drainpipes, traffic jam, piles, evacuations, ladders, awnings, overpasses, staircases, stockades, booths, looters, sentries, barricade, breastworks, entrenchments, stockade, blockhouses, corrals, earthworks, intrenchments, breastwork, emplacements, props, stakes, barracks, bastions, forts, hoops

barricade, barricado