Mexico City

'Tired' Greene just misses out on medal

Two days on from Super Saturday and the Great British golden hat-trick, the Midas touch has disappeared – temporarily, at least – from the host nation's runners, jumpers and throwers. On Sunday evening, try as she did, Christine Ohuruogu could not quite close the gap on Sanya Richards-Ross to cling on to her 400m crown. At least the local girl finished with a silver medal lining, though.

Ask the traveller: Where to avoid in Mexico

Mexico, despite its problems, is proving irresistible to many British travellers: Virgin Atlantic is so confident about our collective addiction to the country that it is going into competition next summer against British Airways on the Gatwick-Cancú* run. And the Foreign Office says: "Most visits to Mexico are trouble-free." But then it goes on to warn: "Crime and kidnappings continue."

World Naked Bike Ride - in pictures

Hundreds of bicyclists in their underwear, covered in body paint or wearing nothing at all have taken to the streets of Mexico City to demand respect from motorists.

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Rudisha breaks 800m record again

Kenya's David Rudisha lowered the 800 metres world record to 1min 41.01sec in Rieti in Italy yesterday, just a week after first breaking the record.

Mexico bleeding to death

Another 72 corpses found in a new mass grave. Feuding cartels blamed for displays of mutilated bodies. Death toll in four-year drugs war passes 28,000

Francis Alÿs: A Story of Deception, Tate Modern, London

You are walking down a long road between two fields. The road never seems to change, but you keep glimpsing something, close by, in the distance. Is there water on the road ahead? A town? The future flickers and shimmers, you are almost there, on the brink of something, then it vanishes into thin air: a mirage. This is the rather beautiful 16mm film, A Story of Deception (2003-6), filmed in Patagonia, that opens (and gives name to) Francis Alÿs's current survey show at Tate Modern, exploring the crossovers between poetics and politics. The never-reachable moment, a continual glimmer of hope, a pointless struggle – these are the motifs of this brilliant, yet slippery, exhibition. In other films here children build sandcastles to knock them down, the artist pushes a large block of ice around Mexico City until it melts to nothing, or dribbles a line of green paint from a leaky can along the "green line" – the 1948 armistice border between Israel and neighbouring countries. Everything teeters between being depressingly pointless and joyfully, wonderfully so.

DVD: In the Pit, For retail & rental (Network Releasing)

"In each column, a soul has to rest." This is one worker's eerie description of the building of a second deck to Mexico City's inner Periferico freeway in Juan Carlos Rulfo's documentary, which reveals the optimism of the downtrodden workers at the back-breaking end of the process.