Cultural events and a charity walk this weekend will keep the city abuzz and cause some road closures.

Vendors will be showcasing African culture in the In and Around Africa Cultural Expo Friday at the ­Jamaican Canadian Association centre, starting at 4 p.m.

The Bloor West Village Ukrainian Festival will shut down a portion of Bloor Street between Jane Street and Runnymede Avenue from Friday at 9 a.m. until Sunday midnight.

The Roncesvalles Village Polish Festival will close a stretch of Roncesvalles Avenue between Harvard and Howard Park avenues from Saturday at 6 a.m. to Sunday at 10 p.m.

The Variety Village Walkathon will close Danforth Avenue between Kingston and Birchmount roads Sunday from 7 a.m. until 1 p.m.

Businesses in the affected areas will be open to pedestrian traffic.