No 11431, Friday 26 Jun 2015, Neyartha

ACROSS
7   Simple diet represents a type of regulation (5,5) SPEED LIMIT*
9   Bar at the station (4) STOP [DD]
10 Compel by coercion to find a way to follow the retreating perjurer (8) RAILROAD {RAIL<=}{ROAD}
11 One might do this to ensure account security (3,3) LOG OFF [CD]
12 Trouble after sending out the Pole and one of the Orientals for colour (5) BEIGE BEsIeGE
13 Angel ignites concealed explosive (9) GELIGNITE [T]
14 Honour to take in a Pole on trial (7) REVERSE {REVER{S}E}
17 Craft designed to accept conditional return of an irritating type of jam? (7) TRAFFIC {TRAF{FI<=}C*}
20 I would attach a letter with the note on the equipment — it may aid the police (9) IDENTIKIT {I'D}{EN}{TI}{KIT}
22 Some trigonometric quantities reportedly fetch marks (5) SIGNS (~sines)
25 Unlimited money and a strategy gets a type of ticket (3-3) ONE-WAY {mONEy}-{WAY}
26 Cutting through the junction (8) CROSSING [DD]
27 Connect with the English leader moving up behind the unknown mythical creature (4) YETI {Y}{(+e)ETI(-e)}
28 Fictional character may ruin a train somehow (10) RURITANIAN*

DOWN
1   Talk with the Greek character getting rid of the king for a sedative (6) OPIATE O(-r+pi)PIATE
2   Combines resources to go north in a sailing vessel (5) SLOOP<=

3   Bit of tin placed around an insect (7) SMIDGEN {S{MIDGE}N}
4   It's harder for one going downhill to embrace the volunteer and the student (8) STALKIER {S{TA}{L}KIER}
5   Shape concealed by the Valparaiso gondoliers (6) ISOGON [T]
6   Rain that might come down after a win? (8) CONFETTI [CD]

8   Colleague upset by the absconding criminal writes a short poem (7) ECLOGUE COLlEaGUE*
15 Risk in writing article that goes deep into gender reform (8) ENDANGER {END{AN}GER*}
16 Send hauling cart up to the place where vessels are built (8) SHIPYARD {SHIP}{YARD<=}
18 Thrill in giving a facelift to son's fir (7) FRISSON*
19 Remove conflict by getting Oscar to go out for the article (7) DISCARD DISC(-o+a)ARD
21 Fledgling was acquainted with the insect, we hear (6) NEWBIE {NEW}{BIE}(~bee) (Correction - {NEW}{BIE}(~ knew bee) - See comments)
23 Calorie-reduced fondant prepared after losing heart (6) NONFAT FONdANT*
24 Going here might indicate deterioration (5) SOUTH [CD]

Reference list
Letter = EN, Note = TI, Unknown = Y, King = R, Tin = SN, Volunteer = TA, Student = L, Criminal AL, Article = AN, A, Oscar = O

GRID