PTI chairman Imran Khan 

Pakistan Tehreek-e-Insaf (PTI) chairman Imran Khan on Tuesday reacted to US President Donald Trump?s allegations that Pakistan was providing ?safe haven? to terrorists in the region.

In a series of tweets, the PTI chief criticised the US for blaming Pakistan for its own ?deeply flawed and failed? policy towards Afghanistan.

?Just as India blames Pak for the indigenous Kashmiri uprisings when these are a result of its own failed policy of mly repression in IOK .. So the US again blames Pak for its deeply flawed & failed Afghan policy stretching over a decade,? he tweeted.

?This shd teach Pak once and for all a valuable lesson: never to fight others wars for the lure of dollars.?

?We fought 2 wars in Afghanistan at the US behest paying heavy human and economic costs both times. We sacrificed 70000 Pak lives in US WOT,? Khan stated.

?Our economy suffered over $100 billion in losses. In addition, there were intangible costs on our society. Time for Pak to say: Never again.?

?We must also reject being made scapegoats for the policy failures of the US and India,? he added.

Trump, in his first formal address to the nation as commander-in-chief, took a subtle yet hard line when speaking about Pakistan and its relations with the United States late Monday.

"Our commitment is not limited [and] our support is not a blank cheque," he said, indicating that Pakistan should take a stronger line against possible terrorist elements being provided ?safe havens? in the country.

Trump also cleared the way for the deployment of thousands more US troops to Afghanistan, backtracking from his promise to rapidly end America´s longest war.