we ll look ahead to what could be a defining week at the top of the table. after protesters disrupted the world snooker championship, we ll tell you how security s being stepped up at the crucible. i ll be very surprised if the protocols that were in place at the crucible yesterday are in place today. also coming up on sportsday before 7. how a special piece of kit s transforming how one woman s competing at this year s london marathon. we start tonight with the mountain chelsea have to climb if they re to salvage anything from this season. 2 0 down from the first leg, they need at least three goals against real madrid to remain in the champions league. a change of owner, half a billion pounds spent, yet another manager. nothing s transformed chelsea s fortunes so far as patrick geary reports. and so to chelsea s at last remaining bridge, the final road forward in a season of missed earnings runs through real madrid at stamford bridge but they have made things hard for themse
semifinal away to williamsburg, so expect them to have one eye on that and if arsenal win tonight there was and if arsenal win tonight there was a level on points with united at the top of the table. the last time these two teams met it was back in november and he was a cracker of a game with manchester united meeting arsenal 3 2 at the emirates and today the manchester united head coach said tomorrow night fans can expect another cracking match. there s two wa s to another cracking match. there s two ways to look another cracking match. there s two ways to look at another cracking match. there s two ways to look at the another cracking match. there s two ways to look at the game another cracking match. there s two ways to look at the game for - another cracking match. there s two ways to look at the game for some l ways to look at the game for some arsenal ways to look at the game for some arsenal haven t played and would have some freshness but the reality is that have som