Karthikeyan lined up for F1 comeback

Narain Karthikeyan announced his Formula One comeback on Thursday after signing a deal with the struggling HRT team.

"Back in F1 in 2011. Signed a deal to race for HRT. I've always maintained that my time in F1 was not over and now making good on that promise," the former Jordan racer said on his Twitter feed. Contacted by Reuters, HRT team boss Colin Kolles would not confirm the deal but said a driver announcement was expected on Friday.